I did had this error for my project so if you guys know to fix this error please comment
this is the packing code!
UATHelper: Packaging (Windows (64-bit)): ERROR: Client target not found!
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\HP\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.18\UAT_Log.txt for full exception trace)
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults: Error: Unknown Error
. .-*-