Same issue here.
Found disallowed object type /Game/Creative/Devices/HUDController/Materials/MI_CP_Device_HUDController_Placed_01.MI_CP_Device_HUDController_Placed_01
Found disallowed object type /Game/Creative/Devices/Generic/Meshes/CP_Device_GenericBase_01.CP_Device_GenericBase_01
Found disallowed object type /Game/Creative/Devices/Generic/Meshes/CP_Device_GenericBaseBeam_01.CP_Device_GenericBaseBeam_01
Found disallowed object type /CRD_PlayerSpawn/Materials/M_EnemyRangeVisualization.M_EnemyRangeVisualization
Complete blocker.