Package project to android fails everytime

I’m using unreal engine 4.20.3 and im trying to package a handheld AR application but it keeps failing . the exact error from the output log is:

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UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): * Get more help at
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): BUILD FAILED in 13s
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): ERROR: cmd.exe failed with args /c "K:\~Z\mh\Unreal Projects\MyProject11\Intermediate/Android/APK\gradle\rungradle.bat" :app:assembleDebug
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)):        (see C:\Users\Dodo\AppData\Roaming\Unreal Engine\AutomationTool\Logs\K+~Z+HDD+Install+(D)+UE_4.20\Log.txt for full exception trace)
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): BUILD FAILED
PackagingResults: Error: Unknown Error

is there any fix for this?