Delete class

Hi I have a problem I can’t add any new class after deleting some. I deleted the binaries intermediate and saved folder and generated new visual studio files.
I have it in every project.

Creating makefile for MoanaEditor (no existing makefile)
Parsing headers for MoanaEditor
  Running UnrealHeaderTool "F:\dev\Moana\Moana.uproject" "F:\dev\Moana\Intermediate\Build\Win64\MoanaEditor\Development\MoanaEditor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -abslog="C:\Users\Damian\AppData\Local\UnrealBuildTool\Log_UHT.txt" -installed -FailIfGeneratedCodeChanges
ERROR: 'F:/dev/Moana/Intermediate/Build/Win64/UE4Editor/Inc/Moana/Grid.generated.h': Changes to generated code are not allowed - conflicts written to 'F:/dev/Moana/Intermediate/Build/Win64/UE4Editor/Inc/Moana/Grid.generated.h.conflict'
CompilerResultsLog: New page: Compilation - 17 lut 2021, 00:34:02
CompilerResultsLog: Creating makefile for MoanaEditor (no existing makefile)
CompilerResultsLog: Parsing headers for MoanaEditor
CompilerResultsLog:   Running UnrealHeaderTool "F:\dev\Moana\Moana.uproject" "F:\dev\Moana\Intermediate\Build\Win64\MoanaEditor\Development\MoanaEditor.uhtmanifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -abslog="C:\Users\Damian\AppData\Local\UnrealBuildTool\Log_UHT.txt" -installed -FailIfGeneratedCodeCha
nges
CompilerResultsLog: ERROR: 'F:/dev/Moana/Intermediate/Build/Win64/UE4Editor/Inc/Moana/Grid.generated.h': Changes to generated code are not allowed - conflicts written to 'F:/dev/Moana/Intermediate/Build/Win64/UE4Editor/Inc/Moana/Grid.generated.h.conflict'