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When launching game, it fails to launch UAT when compiling/packaging

When I try to test my project under "Project Launcher" it fails to launch UAT and cancels the rest of the compiling/Packaging.

This is the output log: Running AutomationTool... Automation.ParseCommandLine: Parsing command line: -ScriptsForProject="E:/Unreal Engine/Subject617/Subject617.uproject" BuildCookRun -project="E:/Unreal Engine/Subject617/Subject617.uproject" -noP4 -clientconfig=Development -serverconfig=Development -nocompile -nocompileeditor -installed -ue4exe=UE4Editor-Cmd.exe -utf8output -platform=Win64 -targetplatform=Win64 -cookonthefly -map= -compressed -stage -deploy -cmdline=" -Messaging" -device=WindowsNoEditor@PETERS_COMPUTER -addcmdline="-SessionId=08D7F861463E7B8B519B5BB89377A230 -SessionOwner='peter' -SessionName='PETERS_COMPUTER' " -run XmlConfigFile.TryRead: ERROR: Data at the root level is invalid. Line 4, position 1. Automation.Process: Failed to initialize UBT Program.Main: AutomationTool exiting with ExitCode=1 (Error_Unknown) BUILD FAILED

I don't know what to do to fix this. Also, the launch button in the toolbar is grayed out for some reason(which is why is use the Project Launcher).

Please help!

Product Version: UE 4.16
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asked Sep 05 '17 at 08:31 PM in Packaging & Deployment

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ThisIsPeteX
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I was having the same problem with a game I had been working on for about 2 years. Go into the file widows manager C:\Program Files\Epic Games\UE_4.16\Engine\Binaries\Win64 -> then right click on UE4Editor.exe -> run as administrator.

I hope this helps.

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answered May 26 '18 at 04:31 PM

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CerialKillah_
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