Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module

Trying to package my project (Windows 10, 64 Bit) and get these errors.

Don’t know, how to fix it. Tried every solution I found on google, but none of them worked.

Output log:

UATHelper: Packaging (Windows (64-bit)): ********** BUILD COMMAND STARTED **********
UATHelper: Packaging (Windows (64-bit)): Running: D:\Program Files\Epic Games\UE_4.21\Engine\Binaries\DotNET\UnrealBuildTool.exe KillerVSSurvivor Win64 DebugGame -Project=D:\DestLifeUE4\KillerVSSurvivor\KillerVSSurvivor.uproject  D:\DestLifeUE4\KillerVSSurvivor\KillerVSSurvivor.uproject -NoUBTMakefiles  -remoteini="D:\DestLifeUE4\KillerVSSurvivor" -skipdeplo
y -Manifest=D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Manifest.xml -NoHotReload -log="C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\UBT-KillerVSSurvivor-Win64-DebugGame.txt"
UATHelper: Packaging (Windows (64-bit)):   Using Visual Studio 2017 14.16.27023 toolchain (D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023) and Windows 10.0.17763.0 SDK (D:\Windows Kits\10).
UATHelper: Packaging (Windows (64-bit)):   Parsing headers for KillerVSSurvivor
UATHelper: Packaging (Windows (64-bit)):     Running UnrealHeaderTool "D:\DestLifeUE4\KillerVSSurvivor\KillerVSSurvivor.uproject" "D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Win64\KillerVSSurvivor\DebugGame\KillerVSSurvivor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -installed
UATHelper: Packaging (Windows (64-bit)):   D:/Program Files/Epic Games/UE_4.21/Engine/Plugins/Marketplace/PlayFabSDK/Source/PlayFabCommon/Public/PlayFabAuthenticationContext.h(148) : LogCompile: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module.
PackagingResults: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module.
UATHelper: Packaging (Windows (64-bit)):   Error: UnrealHeaderTool failed for target 'KillerVSSurvivor' (platform: Win64, module info: D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Win64\KillerVSSurvivor\DebugGame\KillerVSSurvivor.uhtmanifest, exit code: OtherCompilationError (5)).
UATHelper: Packaging (Windows (64-bit)): Took 15,987471s to run UnrealBuildTool.exe, ExitCode=5
UATHelper: Packaging (Windows (64-bit)): ERROR: UnrealBuildTool failed. See log for more details. (C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\UBT-KillerVSSurvivor-Win64-DebugGame.txt)
UATHelper: Packaging (Windows (64-bit)):        (see C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\Log.txt for full exception trace)
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=5 (5)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: UnrealHeaderTool failed for target 'KillerVSSurvivor' (platform: Win64, module info: D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Win64\KillerVSSurvivor\DebugGame\KillerVSSurvivor.uhtmanifest, exit code: OtherCompilationError (5)).
PackagingResults: Error: UnrealBuildTool failed. See log for more details. (C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\UBT-KillerVSSurvivor-Win64-DebugGame.txt)
PackagingResults: Error: Unknown Error

AutomationTool Log:

Project.Build: ********** BUILD COMMAND STARTED **********
InternalUtils.SafeFileExists: SafeFileExists C:\Program Files (x86)\Common Files\Oracle\Java\javapath\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\system32\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\System32\Wbem\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\System32\WindowsPowerShell\v1.0\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\System32\OpenSSH\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Program Files\NVIDIA Corporation\NVIDIA NvDLISR\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Program Files\Microsoft SQL Server\130\Tools\Binn\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Program Files\dotnet\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists D:\Windows Kits\8.1\Windows Performance Toolkit\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Program Files\NVIDIA Corporation\NVIDIA NGX\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\system32\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\System32\Wbem\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\System32\WindowsPowerShell\v1.0\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\WINDOWS\System32\OpenSSH\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Program Files (x86)\Bitvise SSH Client\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Users\kalip\AppData\Local\Programs\Python\Python37-32\Scripts\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Users\kalip\AppData\Local\Programs\Python\Python37-32\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Users\kalip\AppData\Local\Microsoft\WindowsApps\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists D:\Microsoft VS Code\bin\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Users\kalip\AppData\Local\GitHubDesktop\bin\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists C:\Users\kalip\AppData\Local\Microsoft\WindowsApps\xgConsole.exe=False
InternalUtils.SafeFileExists: SafeFileExists xgConsole.exe=False
UE4Build.Build: ************************* UE4Build:
UE4Build.Build: ************************* ForceMonolithic: False
UE4Build.Build: ************************* ForceNonUnity:False
UE4Build.Build: ************************* ForceDebugInfo: False
UE4Build.Build: ************************* UseXGE: False
UE4Build.Build: ************************* UseParallelExecutor: False
InternalUtils.SafeFileExists: SafeFileExists D:\Program Files\Epic Games\UE_4.21\Engine\Binaries\DotNET\UnrealBuildTool.exe=True
InternalUtils.SafeDeleteFile: SafeDeleteFile D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Manifest.xml
InternalUtils.SafeFileExists: SafeFileExists D:\Program Files\Epic Games\UE_4.21\Engine\Binaries\DotNET\UnrealBuildTool.exe=True
CommandUtils.Run: Running: D:\Program Files\Epic Games\UE_4.21\Engine\Binaries\DotNET\UnrealBuildTool.exe KillerVSSurvivor Win64 DebugGame -Project=D:\DestLifeUE4\KillerVSSurvivor\KillerVSSurvivor.uproject  D:\DestLifeUE4\KillerVSSurvivor\KillerVSSurvivor.uproject -NoUBTMakefiles  -remoteini="D:\DestLifeUE4\KillerVSSurvivor" -skipdeploy -Manifest=D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Manifest.xml -NoHotReload -log="C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\UBT-KillerVSSurvivor-Win64-DebugGame.txt"
ProcessResult.StdOut:   Using Visual Studio 2017 14.16.27023 toolchain (D:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.16.27023) and Windows 10.0.17763.0 SDK (D:\Windows Kits\10).
ProcessResult.StdOut:   Parsing headers for KillerVSSurvivor
ProcessResult.StdOut:     Running UnrealHeaderTool "D:\DestLifeUE4\KillerVSSurvivor\KillerVSSurvivor.uproject" "D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Win64\KillerVSSurvivor\DebugGame\KillerVSSurvivor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -installed
ProcessResult.StdOut:   D:/Program Files/Epic Games/UE_4.21/Engine/Plugins/Marketplace/PlayFabSDK/Source/PlayFabCommon/Public/PlayFabAuthenticationContext.h(148) : LogCompile: Error: An explicit Category specifier is required for Blueprint accessible functions in an Engine module.
ProcessResult.StdOut:   Error: UnrealHeaderTool failed for target 'KillerVSSurvivor' (platform: Win64, module info: D:\DestLifeUE4\KillerVSSurvivor\Intermediate\Build\Win64\KillerVSSurvivor\DebugGame\KillerVSSurvivor.uhtmanifest, exit code: OtherCompilationError (5)).
CommandUtils.Run: Took 15,987471s to run UnrealBuildTool.exe, ExitCode=5
Log.WriteException: ==============================================================================
Log.WriteException: ERROR: UnrealBuildTool failed. See log for more details. (C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\UBT-KillerVSSurvivor-Win64-DebugGame.txt)
Log.WriteException:        (see C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\Log.txt for full exception trace)
Log.WriteException: 
Log.WriteException: AutomationException: UnrealBuildTool failed. See log for more details. (C:\Users\kalip\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.21\UBT-KillerVSSurvivor-Win64-DebugGame.txt)
Log.WriteException:    bei AutomationTool.CommandUtils.RunUBT(CommandEnvironment Env, String UBTExecutable, String CommandLine) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\UBTUtils.cs:Zeile 77.
Log.WriteException:    bei AutomationTool.CommandUtils.RunUBT(CommandEnvironment Env, String UBTExecutable, FileReference Project, String Target, UnrealTargetPlatform Platform, UnrealTargetConfiguration Config, String AdditionalArgs) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\UBTUtils.cs:Zeile 114.
Log.WriteException:    bei AutomationTool.UE4Build.BuildWithUBT(String TargetName, UnrealTargetPlatform TargetPlatform, UnrealTargetConfiguration Config, FileReference UprojectPath, Boolean ForceMonolithic, Boolean ForceNonUnity, Boolean ForceDebugInfo, Boolean ForceFlushMac, Boolean DisableXGE, String InAddArgs, Boolean ForceUnity) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\UE4Build.cs:Zeile 263.
Log.WriteException:    bei AutomationTool.UE4Build.Build(BuildAgenda Agenda, Nullable`1 InDeleteBuildProducts, Boolean InUpdateVersionFiles, Boolean InForceNoXGE, Boolean InUseParallelExecutor, Boolean InForceNonUnity, Boolean InForceUnity, Boolean InShowProgress, Nullable`1 InChangelistNumberOverride, Dictionary`2 InTargetToManifest) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\UE4Build.cs:Zeile 1212.
Log.WriteException:    bei Project.Build(BuildCommand Command, ProjectParams Params, Int32 WorkingCL, ProjectBuildTargets TargetMask) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\BuildProjectCommand.Automation.cs:Zeile 206.
Log.WriteException:    bei BuildCookRun.DoBuildCookRun(ProjectParams Params) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:Zeile 208.
Log.WriteException:    bei BuildCookRun.ExecuteBuild() in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Scripts\BuildCookRun.Automation.cs:Zeile 41.
Log.WriteException:    bei AutomationTool.BuildCommand.Execute() in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\BuildCommand.cs:Zeile 242.
Log.WriteException:    bei AutomationTool.Automation.Execute(List`1 CommandsToExecute, Dictionary`2 Commands) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:Zeile 563.
Log.WriteException:    bei AutomationTool.Automation.Process(String[] Arguments, StartupTraceListener StartupListener) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Automation.cs:Zeile 533.
Log.WriteException:    bei AutomationTool.Program.MainProc(String[] Arguments, StartupTraceListener StartupListener) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:Zeile 173.
Log.WriteException:    bei AutomationTool.Program.<>c__DisplayClass1_0.<Main>b__2() in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:Zeile 99.
Log.WriteException:    bei AutomationTool.InternalUtils.RunSingleInstance(Func`1 Main) in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Utils.cs:Zeile 725.
Log.WriteException:    bei AutomationTool.Program.Main() in D:\Build\++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\Program.cs:Zeile 99.
Log.WriteException: ==============================================================================
Program.Main: AutomationTool exiting with ExitCode=5 (5)