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4.27 Unreal compile error MSB3037 -WaitMutex -FromMsBuild" code 6 4-27

4.27 Unreal compile error MSB3037 -WaitMutex -FromMsBuild" code 6
Good Day
Decided to upgrade my legacy code from 4.22 to 4.27, udated all of the plugins especialy Dcx Vihecle.
Coppied the project to a new folder, right click on the upproject and promoted to version 4.27.2
VS code was generated and warning window suggested to manually rebuild from the source.
Opened VS2019 sln solution of the project succesfully rebuild it :
Rebuild started…
1>------ Skipped Rebuild All: Project: UE4, Configuration: BuiltWithUnrealBuildTool Win32 ------
1>Project not selected to build for this solution configuration
2>------ Rebuild All started: Project: Vision, Configuration: Development_Editor x64 ------
2>Cleaning VisionEditor and UnrealHeaderTool binaries…
2>Creating makefile for VisionEditor (no existing makefile)
2>D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Vision.Build.cs : warning : Modules must specify an explicit precompiled header (eg. PrivatePCHHeaderFile = “Public/DcxTankEngineComponent.h”) from UE 4.21 onwards.
2>D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Vision.Build.cs : warning : Referenced directory ‘D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Classes\Player’ does not exist.
2>D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Vision.Build.cs : warning : Referenced directory ‘D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Private\UI’ does not exist.
2>D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Vision.Build.cs : warning : Referenced directory ‘D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Private\UI\Menu’ does not exist.
2>D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Vision.Build.cs : warning : Referenced directory ‘D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Private\UI\Style’ does not exist.
2>D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Vision.Build.cs : warning : Referenced directory ‘D:\Perforce\Vision\Vision_L39C_4.27\Source\Vision\Private\UI\Widgets’ does not exist.
2>Parsing headers for VisionEditor
2> Running UnrealHeaderTool “D:\Perforce\Vision\Vision_L39C_4.27\Vision.uproject” “D:\Perforce\Vision\Vision_L39C_4.27\Intermediate\Build\Win64\VisionEditor\Development\VisionEditor.uhtmanifest” -LogCmds=“loginit warning, logexit warning, logdatabase error” -Unattended -WarningsAsErrors -abslog=“C:\Users\Wind155\AppData\Local\UnrealBuildTool\Log_UHT.txt” -installed
2>LogInit: Display: Loading text-based GConfig…
2>D:/Perforce/Vision/Vision_L39C_4.27/Source/Vision/Public/Net/VisionPackets.h(855) : LogCompile: Error: ‘granadeFire’ does not have a 0 entry! (This is a problem when the enum is initalized by default)
2>Done building project “Vision.vcxproj”.
========== Rebuild All: 1 succeeded, 0 failed, 1 skipped ==========
After that
pressed f5.
project showed me error
Severity Code Description Project File Line Suppression State
Error MSB3073 The command ““C:\Program Files\Epic Games\UE_4.27\Engine\Build\BatchFiles\Build.bat” VisionEditor Win64 Development -Project=“D:\Perforce\Vision\Vision_L39C_4.27\Vision.uproject” -WaitMutex -FromMsBuild” exited with code 6. Vision C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.MakeFile.Targets 45

Fix the error above that.

Yes, I manage to fix those and project up and running as it should be. Probably I was little bit nervous/
Thanks for help