Packaging Error

Hello guys,

I need your help, if i want do package my Project I keep geting this message in the log:

UATHelper: Packaging (Windows (64-bit)): WARNING: SafeCopyFile Exception was Exception in mscorlib: Falscher Parameter.

UATHelper: Packaging (Windows (64-bit)):

UATHelper: Packaging (Windows (64-bit)): Stacktrace: bei System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)

UATHelper: Packaging (Windows (64-bit)): bei System.IO.File.InternalCopy(String sourceFileName, String destFileName, Boolean overwrite, Boolean checkHost)

UATHelper: Packaging (Windows (64-bit)): bei AutomationTool.InternalUtils.SafeCopyFile(String SourceName, String TargetName, Boolean bQuiet, Boolean bFilterSpecialLinesFromIniFiles) in D:\Build++UE4\Sync\Engine\Saved\CsTools\Engine\Source\Programs\AutomationTool\AutomationUtils\Utils.cs:Zeile 366.

UATHelper: Packaging (Windows (64-bit)): WARNING: Failed to copy D:\UE\Projekte\Unnamed\Saved\StagedBuilds\WindowsNoEditor\Unnamed\Content\Paks\Unnamed-WindowsNoEditor.pak to F:\WindowsNoEditor\Unnamed\Content\Paks\Unnamed-WindowsNoEditor.pak

UATHelper: Packaging (Windows (64-bit)): ERROR: Failed to copy D:\UE\Projekte\Unnamed\Saved\StagedBuilds\WindowsNoEditor\Unnamed\Content\Paks\Unnamed-WindowsNoEditor.pak to F:\WindowsNoEditor\Unnamed\Content\Paks\Unnamed-WindowsNoEditor.pak

I donĀ“t know anything about this topic, so it would be great if yo can yelp me.

Greetings
Valentin