Hello 
can someone tell me how i can the following error and what it really means?
Why does the engine cant copy the file?
LogPlayLevel: Warning: WARNING: Failed to copy I:\Unreal Projects\XXXXXXXXX\Saved\EditorCooked\WindowsNoEditor\XXXXXXXXX\Content\Normale_Assets\ModularRoads01\Textures\T_Curb_02_RMA.ubulk to I:\Unreal Projects\XXXXXXXXX\Saved\StagedBuilds\WindowsNoEditor\XXXXXXXXX\Content\Normale_Assets\ModularRoads01\Textures\T_Curb_02_RMA.ubulk, deleting, waiting 10s and retrying.
LogPlayLevel: Warning: WARNING: SafeCopyFile Exception was Exception in mscorlib: Datenfehler (CRC-Prüfung)
LogPlayLevel: Stacktrace: bei System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
LogPlayLevel: bei System.IO.File.InternalCopy(String sourceFileName, String destFileName, Boolean overwrite, Boolean checkHost)
LogPlayLevel: 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.
LogPlayLevel: Warning: WARNING: Failed to copy I:\Unreal Projects\XXXXXXXXX\Saved\EditorCooked\WindowsNoEditor\XXXXXXXXX\Content\Normale_Assets\ModularRoads01\Textures\T_Curb_02_RMA.ubulk to I:\Unreal Projects\XXXXXXXXX\Saved\StagedBuilds\WindowsNoEditor\XXXXXXXXX\Content\Normale_Assets\ModularRoads01\Textures\T_Curb_02_RMA.ubulk
LogPlayLevel: Error: ERROR: Failed to copy I:\Unreal Projects\XXXXXXXXX\Saved\EditorCooked\WindowsNoEditor\XXXXXXXXX\Content\Normale_Assets\ModularRoads01\Textures\T_Curb_02_RMA.ubulk to I:\Unreal Projects\XXXXXXXXX\Saved\StagedBuilds\WindowsNoEditor\XXXXXXXXX\Content\Normale_Assets\ModularRoads01\Textures\T_Curb_02_RMA.ubulk
I hope there is someone who can me explain this,
thank you!