hi everyone,
my project doesn’t want to build anymore. 
its returning this on the output log:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: === Critical error: ===
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Fatal error!
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Unhandled Exception: EXCEPTION_INT_DIVIDE_BY_ZERO
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffae0086a3c UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffae0063258 UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffae006eeef UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffae006d01e UE4Editor-Engine.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffadcb78fe0 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffadcbb1833 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffadcbc758f UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffadc9fd6e0 UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffadca27a1d UE4Editor-UnrealEd.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff60992a01c UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff609920d1c UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6099210aa UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6099240cd UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff609935984 UE4Editor-Cmd.exe!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff6099378be UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: begin: stack for UAT
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffb2bc37034 KERNEL32.DLL!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ffb2d9a2651 ntdll.dll!UnknownFunction []
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: end: stack for UAT
PackagingResults: Error: === Critical error: ===
PackagingResults: Error: Fatal error!
PackagingResults: Error: Unhandled Exception: EXCEPTION_INT_DIVIDE_BY_ZERO
PackagingResults: Error: [Callstack] 0x00007ffae0086a3c UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffae0063258 UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffae006eeef UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffae006d01e UE4Editor-Engine.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffadcb78fe0 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffadcbb1833 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffadcbc758f UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffadc9fd6e0 UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffadca27a1d UE4Editor-UnrealEd.dll!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff60992a01c UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff609920d1c UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6099210aa UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6099240cd UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff609935984 UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ff6099378be UE4Editor-Cmd.exe!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffb2bc37034 KERNEL32.DLL!UnknownFunction []
PackagingResults: Error: [Callstack] 0x00007ffb2d9a2651 ntdll.dll!UnknownFunction []
PackagingResults: Error: end: stack for UAT
UATHelper: Packaging (Windows (64-bit)): Took 57,6659933s to run UE4Editor-Cmd.exe, ExitCode=3
UATHelper: Packaging (Windows (64-bit)): ERROR: Cook failed.
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\GRooVy GRoVer\AppData\Roaming\Unreal Engine\AutomationTool\Logs\D+Program+Files+Epic+Games+UE_4.27\Log.txt for full exception trace)
PackagingResults: Error: Cook failed.
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Cook Failure
really don’t know what the problem is, but these lines starts coming when it also starts with compiling shaders.
don’t know if thats related or its just coincidental.
if you read this and know a solution, than please let me know! (i have spent 500+ hours into this project 
)