The last error was wrong, this is the full error:
""C:\Program Files\Epic Games\UE_5.3\Engine\Build\BatchFiles\Build.bat" MyProjectServer Win64 Development -Project="C:\Users\Diego\Documents\Unreal Projects\MyProject\MyProject.uproject" -WaitMutex -FromMsBuild" salió con el código 6. MyProject C:\Program Files\Microsoft Visual Studio\2022\Community\MSBuild\Microsoft\VC\v170\Microsoft.MakeFile.Targets 44