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Unable to open project for days. I do not understand the errors.

I have not made any changes to MyCharacter.Cpp. How do I even begin troubleshooting this?


1>------ Rebuild All started: Project: FPTEST, Configuration: Development_Editor x64 ------
1>Cleaning FPTESTEditor and UnrealHeaderTool binaries...
1>Creating makefile for FPTESTEditor (no existing makefile)
1>Parsing headers for FPTESTEditor
1>  Running UnrealHeaderTool "C:\Users\Fuzz-E\Documents\FPTEST\FPTEST.uproject" "C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\FPTESTEditor\Development\FPTESTEditor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -installed
1>Reflection code generated for FPTESTEditor in 6.8918366 seconds
1>Building FPTESTEditor...
1>Using Visual Studio 2019 14.21.27702 toolchain (C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.21.27702) and Windows 10.0.16299.0 SDK (C:\Program Files (x86)\Windows Kits\10).
1>[Upgrade]
1>[Upgrade] Using backward-compatible build settings. The latest version of UE4 sets the following values by default, which may require code changes:
1>[Upgrade]     bLegacyPublicIncludePaths = false                 => Omits subfolders from public include paths to reduce compiler command line length. (Previously: true).
1>[Upgrade]     ShadowVariableWarningLevel = WarningLevel.Error   => Treats shadowed variable warnings as errors. (Previously: WarningLevel.Warning).
1>[Upgrade]     PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs   => Set in build.cs files to enables IWYU-style PCH model. See https://docs.unrealengine.com/en-US/Programming/BuildTools/UnrealBuildTool/IWYU/index.html. (Previously: PCHUsageMode.UseSharedPCHs).
1>[Upgrade] Suppress this message by setting 'DefaultBuildSettings = BuildSettingsVersion.V2;' in FPTESTEditor.Target.cs, and explicitly overriding settings that differ from the new defaults.
1>[Upgrade]
1>Building 7 actions with 8 processes...
1>  [1/7] Default.rc2
1>  [2/7] SharedPCH.Engine.cpp
1>  [3/7] Module.FPTEST.cpp
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/AStarVolume.cpp(108): warning C4458: declaration of 'RemainingAirClamped' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\AStarVolume.h(60): note: see declaration of 'AAStarVolume::RemainingAirClamped'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/GlassBlockInstance.cpp(27): warning C4458: declaration of 'SpawnLocation' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\GlassBlockInstance.h(42): note: see declaration of 'AGlassBlockInstance::SpawnLocation'
1>C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\UE4Editor\Inc\FPTEST\Sucker.generated.h(87): error C2951: template declarations are only permitted at global, namespace, or class scope
1>C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\UE4Editor\Inc\FPTEST\Sucker.generated.h(87): error C2988: unrecognizable template declaration/definition
1>C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\UE4Editor\Inc\FPTEST\Sucker.generated.h(87): error C2143: syntax error: missing ';' before '<'
1>C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\UE4Editor\Inc\FPTEST\Sucker.generated.h(87): error C2071: 'StaticClass': illegal storage class
1>C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\UE4Editor\Inc\FPTEST\Sucker.generated.h(87): error C2988: unrecognizable template declaration/definition
1>C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\UE4Editor\Inc\FPTEST\Sucker.generated.h(87): error C2059: syntax error: '<'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(28): error C2988: unrecognizable template declaration/definition
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(28): error C2143: syntax error: missing ')' before 'const'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(28): error C2143: syntax error: missing ';' before 'const'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(28): error C2059: syntax error: ')'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(29): error C2530: 'ObjectInitializer': references must be initialized
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(29): error C2988: unrecognizable template declaration/definition
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(29): error C2143: syntax error: missing ';' before ':'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(29): error C2988: unrecognizable template declaration/definition
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(29): error C2059: syntax error: ':'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(30): error C2143: syntax error: missing ';' before '{'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(31): error C2065: 'bUseControllerRotationPitch': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(32): error C2065: 'bUseControllerRotationRoll': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(33): error C2065: 'bUseControllerRotationYaw': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(37): error C3861: 'GetCapsuleComponent': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(41): error C2065: 'DistanceFieldObject': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(42): error C2065: 'DistanceFieldObject': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(42): error C3861: 'GetCapsuleComponent': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(43): error C2065: 'DistanceFieldObject': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(46): error C2065: 'FirstPersonCameraComponent': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(47): error C2065: 'FirstPersonCameraComponent': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(47): error C3861: 'GetCapsuleComponent': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(48): error C2065: 'FirstPersonCameraComponent': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(49): error C2065: 'FirstPersonCameraComponent': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(52): error C2065: 'Body': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(53): error C2065: 'Body': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(54): error C2065: 'Body': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(55): error C2065: 'Body': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(56): error C2065: 'Body': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(57): error C2065: 'Body': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(58): error C2065: 'Body': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(61): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(62): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(63): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(63): error C2065: 'FirstPersonCameraComponent': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(64): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(65): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(66): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(67): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(70): error C2065: 'FP_Gun': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(71): error C2065: 'FP_Gun': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(72): error C2065: 'FP_Gun': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(73): error C2065: 'FP_Gun': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(75): error C2065: 'FP_Gun': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(77): error C2065: 'FP_MuzzleLocation': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(78): error C2065: 'FP_MuzzleLocation': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(78): error C2065: 'FP_Gun': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(79): error C2065: 'FP_MuzzleLocation': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(82): error C2065: 'GunOffset': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(84): error C2065: 'FlightBoxCollider': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(86): error C2065: 'FlightBoxCollider': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(88): error C2065: 'FlightBoxCollider': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(91): error C2065: 'RoomOverlapper': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(92): error C2065: 'SuckerSeeker': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(93): error C2065: 'SuckerSeeker2': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(94): error C2065: 'SuckerSeeker3': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(102): error C2065: 'Camera2': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(110): error C3861: 'GetCapsuleComponent': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(111): error C2065: 'BeforeZeroG': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(111): error C3861: 'GetCapsuleComponent': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(112): error C2065: 'AfterZeroG': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(112): error C2065: 'BeforeZeroG': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(113): error C2065: 'World': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(115): error C2065: 'MyCharacter': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(117): error C2065: 'RollRate': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(122): error C2065: 'FP_Gun': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(122): error C2065: 'Mesh1P': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(123): error C2065: 'StartRotation': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(123): error C3861: 'GetCapsuleComponent': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(124): error C2065: 'QuatRotateToggle': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(126): error C2065: 'HoleToggle': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(127): error C2065: 'Gravity': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(128): error C2065: 'SuckerToggle': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(129): error C2065: 'IsStarPathFilled': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(130): error C2065: 'HasSeeker2BeenDiscovered': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(131): error C2065: 'HasSeeker3BeenDiscovered': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(134): error C2065: 'AirSpeed': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(136): error C2065: 'SeekTheSucker': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(137): error C2065: 'UseInitialSplineValue': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(138): error C2065: 'SplineValue': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(139): error C2065: 'WhichSeekerToTrace': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(140): error C2065: 'TicksUntilFindPath': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(141): error C2065: 'LastReachableDistance': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(142): error C2065: 'LastReachableDistance2': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(143): error C2065: 'LastReachableDistance3': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(157): error C2065: 'DeltaTime': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(162): error C3861: 'GetOverlappingSuckers': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(164): error C3861: 'LogRoomInfo': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(177): error C2065: 'TicksUntilFindPath': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(180): error C2065: 'CurrentRoom': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(184): error C2065: 'TicksUntilFindPath': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(189): error C2065: 'TicksUntilFindPath': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(191): error C2065: 'TicksUntilFindPath': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(193): error C3861: 'ProcessSeekerLocation': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(194): error C3861: 'ProcessSeekerLocation2': identifier not found
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(195): error C2065: 'SuckerSeeker': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(195): fatal error C1003: error count exceeds 100; stopping compilation
1>  [4/7] Module.FPTEST.gen.cpp
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.MakeFile.Targets(49,5): error MSB3073: The command ""C:\Program Files\Epic Games\UE_4.24\Engine\Build\BatchFiles\Rebuild.bat" FPTESTEditor Win64 Development -Project="C:\Users\Fuzz-E\Documents\FPTEST\FPTEST.uproject" -WaitMutex -FromMsBuild" exited with code -1.
1>Done building project "FPTEST.vcxproj" -- FAILED.
========== Rebuild All: 0 succeeded, 1 failed, 0 skipped ==========


Hi Stomatogod,
You need to share following codes so that we could help you more. Thanks for sharing the error log. You must have a syntax error in one of the files. These could be in


 
 AStarVolume.cpp     GlassBlockInstance.cpp

Let us know when you upload the files

Here they are. Astarvolume is the one i have been messing with a lot lately.

I have managed to bring it down to this by limiting includes. Included are the only files that I have messed with since the project booting and the project not.


1>------ Rebuild All started: Project: FPTEST, Configuration: Development_Editor x64 ------
1>Cleaning FPTESTEditor and UnrealHeaderTool binaries...
1>Creating makefile for FPTESTEditor (no existing makefile)
1>Parsing headers for FPTESTEditor
1>  Running UnrealHeaderTool "C:\Users\Fuzz-E\Documents\FPTEST\FPTEST.uproject" "C:\Users\Fuzz-E\Documents\FPTEST\Intermediate\Build\Win64\FPTESTEditor\Development\FPTESTEditor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -installed
1>Reflection code generated for FPTESTEditor in 7.1889867 seconds
1>Building FPTESTEditor...
1>Using Visual Studio 2019 14.21.27702 toolchain (C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.21.27702) and Windows 10.0.16299.0 SDK (C:\Program Files (x86)\Windows Kits\10).
1>[Upgrade]
1>[Upgrade] Using backward-compatible build settings. The latest version of UE4 sets the following values by default, which may require code changes:
1>[Upgrade]     bLegacyPublicIncludePaths = false                 => Omits subfolders from public include paths to reduce compiler command line length. (Previously: true).
1>[Upgrade]     ShadowVariableWarningLevel = WarningLevel.Error   => Treats shadowed variable warnings as errors. (Previously: WarningLevel.Warning).
1>[Upgrade]     PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs   => Set in build.cs files to enables IWYU-style PCH model. See https://docs.unrealengine.com/en-US/Programming/BuildTools/UnrealBuildTool/IWYU/index.html. (Previously: PCHUsageMode.UseSharedPCHs).
1>[Upgrade] Suppress this message by setting 'DefaultBuildSettings = BuildSettingsVersion.V2;' in FPTESTEditor.Target.cs, and explicitly overriding settings that differ from the new defaults.
1>[Upgrade]
1>Building 7 actions with 8 processes...
1>  [1/7] Default.rc2
1>  [2/7] SharedPCH.Engine.cpp
1>  [3/7] Module.FPTEST.cpp
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/AStarVolume.cpp(108): warning C4458: declaration of 'RemainingAirClamped' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\AStarVolume.h(60): note: see declaration of 'AAStarVolume::RemainingAirClamped'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/GlassBlockInstance.cpp(27): warning C4458: declaration of 'SpawnLocation' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\GlassBlockInstance.h(42): note: see declaration of 'AGlassBlockInstance::SpawnLocation'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(109): warning C4458: declaration of 'CapsuleComponent' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\MyCharacter.h(240): note: see declaration of 'AMyCharacter::CapsuleComponent'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(712): warning C4458: declaration of 'Start' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\MyCharacter.h(275): note: see declaration of 'AMyCharacter::Start'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(785): warning C4458: declaration of 'Start' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\MyCharacter.h(275): note: see declaration of 'AMyCharacter::Start'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(985): error C2065: 'Sucker': undeclared identifier
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacter.cpp(1309): warning C4458: declaration of 'Start' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\MyCharacter.h(275): note: see declaration of 'AMyCharacter::Start'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/MyCharacterMovementComponent.cpp(60): warning C4996: 'AActor::Role': This member will be made private. Please use GetLocalRole or SetRole. Please update your code to the new API before upgrading to the next release, otherwise your project will no longer compile.
1>  C:\Program Files\Epic Games\UE_4.24\Engine\Source\Runtime\Engine\Classes\GameFramework/Actor.h(534): note: see declaration of 'AActor::Role'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/SeekerComponent.cpp(75): warning C4458: declaration of 'Seeker' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\SeekerComponent.h(25): note: see declaration of 'USeekerComponent::Seeker'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/SeekerComponent.cpp(189): warning C4456: declaration of 'Sucker' hides previous local declaration
1>  C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/SeekerComponent.cpp(169): note: see declaration of 'Sucker'
1>C:/Users/Fuzz-E/Documents/FPTEST/Source/FPTEST/SuckerGridComponent.cpp(331): warning C4458: declaration of 'NeighbourArray' hides class member
1>  C:\Users\Fuzz-E\Documents\FPTEST\Source\FPTEST\SuckerGridComponent.h(139): note: see declaration of 'ASuckerGridComponent::NeighbourArray'
1>  [4/7] Module.FPTEST.gen.cpp
1>C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.MakeFile.Targets(49,5): error MSB3073: The command ""C:\Program Files\Epic Games\UE_4.24\Engine\Build\BatchFiles\Rebuild.bat" FPTESTEditor Win64 Development -Project="C:\Users\Fuzz-E\Documents\FPTEST\FPTEST.uproject" -WaitMutex -FromMsBuild" exited with code -1.
1>Done building project "FPTEST.vcxproj" -- FAILED.
========== Rebuild All: 0 succeeded, 1 failed, 0 skipped ==========


[declaration of ‘RemainingAirClamped’ hides class member]
This indicates that you have the variable declared in the header and then you create a new variable with the same name in your code file.

.h
float RemainingAir;

.cpp
void AAStarVolume::SetAirPressure(float NewAirPressure)
{
float RemainingAirClamped = FMath::Clamp(RemainingAir, 0.f, FLT_MAX);

Problem solved.

Somehow intellisense was consistently ignoring a lingering old variable inside of MyCharacter.Cpp that i forgot to clean up as i was shuffling around include dependencies. It has nothing to do with any error message ever printed to me whatsoever. Very frustrating for a noobie like me. My fault for not using version control.