Undefined Errors

[Filly_The_Owl]

For a while now i get these errors and i dont know ho to deal with them.

Error ActiveClassRedirects contains a collision with multiple redirectors for old class named GameplayCueNotify
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named GameplayCueNotify_Blueprint
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_BodySetup
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimTreeInstance
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VimInstance
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VimBlueprint
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VimGeneratedClass
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VimBlueprintFactory
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ReverbVolume
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ReverbVolumeToggleable
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlueprintActorBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named WorldInfo
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_Handle
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_RadialForceComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SoundMode
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_ThrusterComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_Thruster
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_ConstraintSetup
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_BSJointSetup
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_HingeSetup
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_PrismaticSetup
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_SkelJointSetup
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_ConstraintComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_ConstraintActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_BSJointActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_HingeActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named RB_PrismaticActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PhysicsBSJointActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PhysicsHingeActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PhysicsPrismaticActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EMovementMode
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SensingComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MovementComp_Character
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MovementComp_Rotating
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MovementComp_Projectile
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VehicleSim
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VehicleSimNoDrive
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MovementComp_Vehicle
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MovementComp_VehicleNoDrive
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named DefaultPawnMovement
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named StaticMeshReplicatedComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SkeletalMeshReplicatedComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named Vehicle
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VehicleMovementComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named VehicleMovementComponent4W
Error ActiveClassRedirects contains a collision with multiple redirectors for old suboject named PointLightComponent0 (old class PointLightComponent)
Error ActiveClassRedirects contains a collision with multiple redirectors for old suboject named DirectionalLightComponent0 (old class DirectionalLightComponent)
Error ActiveClassRedirects contains a collision with multiple redirectors for old suboject named SpotLightComponent0 (old class SpotLightComponent)
Error ActiveClassRedirects contains a collision with multiple redirectors for old suboject named SpectatorMovement0 (old class DefaultPawn)
Error ActiveClassRedirects contains a collision with multiple redirectors for old suboject named DefaultPawnMovement0 (old class DefaultPawn)
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named /Script/BlueprintGraph.K2Node_CastToInterface
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named K2Node_CallSuperFunction
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named K2Node_MathExpression
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named /Script/CoreUObject.K2Node_MathExpression
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named K2Node_Comment
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EdGraphNode_Comment
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SpotLightMovable
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SpotLightStatic
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SpotLightStationary
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PointLightMovable
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PointLightStatic
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PointLightStationary
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named DirectionalLightMovable
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named DirectionalLightStatic
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named DirectionalLightStationary
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named InterpActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PhysicsActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SkeletalPhysicsActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SingleAnimSkeletalActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SingleAnimSkeletalComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named DynamicBlockingVolume
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named DynamicPhysicsVolume
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named DynamicTriggerVolume
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimNode_SkeletalControlBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimNode_TwoBoneIK
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimNode_RotationMultiplier
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimNode_ModifyBone
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimNode_CopyBone
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimNode_SpringBone
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named NavAreaDefinition
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named NavAreaDefault
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named NavAreaNull
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SmartNavLinkComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ELockedAxis
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_RunQuery
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MoveComponentAction
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AIDebugComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionTerrainLayerCoords
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionTerrainLayerSwitch
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionTerrainLayerWeight
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named Landscape
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeGizmoActiveActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeGizmoActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeProxy
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ControlPointMeshComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeGizmoRenderComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeHeightfieldCollisionComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeInfo
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeInfoMap
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeLayerInfoObject
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeMaterialInstanceConstant
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeMeshCollisionComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeSplineControlPoint
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeSplineSegment
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named LandscapeSplinesComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionLandscapeLayerBlend
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionLandscapeLayerCoords
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionLandscapeLayerSwitch
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionLandscapeLayerWeight
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialExpressionLandscapeVisibilityMask
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ProceduralFoliageActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ProceduralFoliage
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_Automatic
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_BitwiseCompressOnly
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_LeastDestructive
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_PerTrackCompression
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_RemoveEverySecondKey
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_RemoveLinearKeys
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_RemoveTrivialKeys
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimationCompressionAlgorithm_RevertToRaw
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AIController
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AIResourceInterface
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AISystem
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AITypes
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BrainComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named KismetAIAsyncTaskProxy
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named KismetAIHelperLibrary
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BehaviorTree
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BehaviorTreeComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BehaviorTreeManager
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BehaviorTreeTypes
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardData
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTAuxiliaryNode
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTCompositeNode
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTFunctionLibrary
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTNode
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTService
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTaskNode
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyAllTypes
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Bool
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Class
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Enum
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Float
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Int
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Name
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_NativeEnum
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Object
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_String
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BlackboardKeyType_Vector
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTComposite_Selector
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTComposite_Sequence
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTComposite_SimpleParallel
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_Blackboard
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_BlackboardBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_BlueprintBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_CompareBBEntries
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_ConeCheck
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_Cooldown
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_DoesPathExist
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_ForceSuccess
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_KeepInCone
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_Loop
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_Optional
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_ReachedMoveGoal
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTDecorator_TimeLimit
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTService_BlackboardBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTService_BlueprintBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTService_DefaultFocus
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_BlackboardBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_BlueprintBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_MakeNoise
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_MoveDirectlyToward
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_MoveTo
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_PlaySound
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_RunBehavior
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_RunEQSQuery
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named BTTask_Wait
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQuery
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryContext
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryGenerator
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryManager
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryOption
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryTest
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryTypes
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EQSQueryResultSourceInterface
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EQSRenderingComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EQSTestingPawn
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryContext_BlueprintBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryContext_Item
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryContext_Querier
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryGenerator_Composite
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryGenerator_OnCircle
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryGenerator_PathingGrid
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryGenerator_ProjectedPoints
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryGenerator_SimpleGrid
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryAllItemTypes
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryItemType
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryItemType_Actor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryItemType_ActorBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryItemType_Direction
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryItemType_Point
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryItemType_VectorBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryTest_Distance
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryTest_Dot
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryTest_Pathfinding
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EnvQueryTest_Trace
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named CrowdAgentInterface
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named CrowdFollowingComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named CrowdManager
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PathFollowingComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PawnSensingComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EditorGameAgnosticSettings
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EditorUserSettings
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SpriteComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named MaterialSpriteComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named WidgetBlueprint
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SReply
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ScriptComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PaperRenderComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PaperAnimatedRenderComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PaperRenderActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PaperTileMapRenderComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ECollisionTraceFlag
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EBodyCollisionResponse
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EPhysicsType
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PlayerCamera
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EModifyFrequency
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EMaterialLightingModel
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named GameReplicationInfo
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named GameInfo
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named PlayerReplicationInfo
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimGraphNode_BlendSpace
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named AnimNode_BlendSpace
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ETransitionGetterType
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named ESlateCheckBoxState
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SlateWidgetStyleAsset
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named SlateWidgetStyleContainerBase
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named InstancedFoliageSettings
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named FoliageType
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named FoliageType_InstancedStaticMesh
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named InstancedFoliageActor
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named InteractiveFoliageComponent
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named FoliageVertexColorMask
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EmitterSpawnable
Error ActiveClassRedirects contains a collision with multiple redirectors for old class named EBoneSpaces

What are those?

[Jamendxman3]

Did these errors occur when upgrading your project to a newer engine version? The same thing happened to many people: https://answers.unrealengine.com/questions/281819/how-to-solve-activeclassredirects-error.html

[Filly_The_Owl]

i have these errors since 4.9 yes.