Packaging:Error: Error Unknown Cook Failure

I realy need help. I restarted my pc but still doesnt work. Here is the log:

UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2016.11.30-01.26.03:491][ 0]LogInit:Display: NOTE: Only first 50 warnings displayed.
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2016.11.30-01.26.03:491][ 0]LogInit:Display:
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2016.11.30-01.26.03:491][ 0]LogInit:Display: Failure - 3 error(s), 685 warning(s)
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2016.11.30-01.26.03:492][ 0]LogInit:Display:
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd:
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: Execution of commandlet took: 37.23 seconds
UATHelper: Packaging (Windows (64-bit)): UE4Editor-Cmd: [2016.11.30-01.26.03:873][ 0]LogOnline:Display: Unloading online subsystem: NULL
UATHelper: Packaging (Windows (64-bit)): CommandUtils.Run: Run: Took 42,7114429s to run UE4Editor-Cmd.exe, ExitCode=1
UATHelper: Packaging (Windows (64-bit)): Project.Cook: Cook failed. Deleting cooked data.
UATHelper: Packaging (Windows (64-bit)): Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.AutomationException: Cook failed. —> AutomationTool.AutomationException: BUILD FAILED: Failed while running Cook for C:\Users\Documents\Unreal Projects\Abgabeblank\Abgab
UATHelper: Packaging (Windows (64-bit)): eblank.uproject; see log C:\Users\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+(x86)+Epic+Games+4.13\Cook-2016.11.30-02.26.04.txt
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.CommandUtils.RunCommandlet(FileReference ProjectName, String UE4Exe, String Commandlet, String Parameters)
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.CommandUtils.CookCommandlet(FileReference ProjectName, String UE4Exe, String[] Maps, String[] Dirs, String InternationalizationPreset, String[] CulturesToCook, String TargetPlatform, String Parameters)
UATHelper: Packaging (Windows (64-bit)): bei Project.Cook(ProjectParams Params)
UATHelper: Packaging (Windows (64-bit)): — Ende der internen Ausnahmestapelüberwachung —
UATHelper: Packaging (Windows (64-bit)): bei Project.Cook(ProjectParams Params)
UATHelper: Packaging (Windows (64-bit)): bei BuildCookRun.DoBuildCookRun(ProjectParams Params)
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.BuildCommand.Execute()
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.Automation.Execute(List1 CommandsToExecute, CaselessDictionary1 Commands)
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.Automation.Process(String[] Arguments)
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.Program.MainProc(Object Param)
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.InternalUtils.RunSingleInstance(Func`2 Main, Object Param)
UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.Program.Main()
UATHelper: Packaging (Windows (64-bit)): Program.Main: AutomationTool exiting with ExitCode=25 (Error_UnknownCookFailure)
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED
PackagingResults:Error: Error Unknown Cook Failure

You cut out errors information from your log. Please show us your entire log. You may also need to look into

C:\Users\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+(x86)+Epic+Games+4.13\Cook-2016.11.30-02.26.04.txt

Please upload your log in .txt file.

I fix my error, just rename the file they are too long.