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Cannot package project. "Hexadecimal value 0x00. is an invalid character. Line 1. position 1."

All editors that use Visual Studio 2017 suddently stopped packaging, and all have the same error:

UATHelper: Packaging (Windows (64-bit)): XmlConfigFile.TryRead: ERROR: '.', hexadecimal value 0x00, is an invalid character. Line 1, position 1. UATHelper: Packaging (Windows (64-bit)): Automation.Process: Failed to initialize UBT UATHelper: Packaging (Windows (64-bit)): Program.Main: AutomationTool exiting with ExitCode=1 (Error_Unknown) UATHelper: Packaging (Windows (64-bit)): BUILD FAILED PackagingResults:Error: Error Unknown Error

I have checked the Visual Studio Install requirements; reinstalled VS, reinstalled Unreal 4. Got sick of it not working and ended up wiping my entire PC, reinstalled windows 10, carefully reinstalled VS2017 and Ue4, and ITS STILL NOT WORKING!!!

Product Version: UE 4.16
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asked Jun 29 '18 at 07:42 AM in Packaging & Deployment

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Davis3D
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After 4 days of bug testing, and 4 reinstalls of windows, I found out that the cause was this file: My Documents\Unreal Engine\UnrealBuildTool\BuildConfiguration.xml

Deleting it was the solution.

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answered Jul 01 '18 at 12:19 PM

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Davis3D
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