Regenerating vs project not working(Unable to open log file for writing)

Development Pipeline & Plugins
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1

hey i try to right click the uproject file and regenerate vs project.
but it gives this error message and not working.

Running C:/Program Files/Epic Games/UE_4.20/Engine/Binaries/DotNET/UnrealBuildTool.exe -projectfiles -project=“C:/Users/ChangJun Kim/Documents/Unreal Projects/BattleArena/BattleArena.uproject” -game -rocket -progress -log=C:\Users\ChangJun Kim\Documents\Unreal Projects\BattleArena/Saved/Logs/UnrealVersionSelector-2018.11.07-08.43.46.log
ERROR: UnrealBuildTool Exception: Unable to open log file for writing (C:\Users\ChangJun)

some people say it is about whitespace or something.
i really tried to find an answer in google, but most of time just wasting.
hope some one can advice me, any thinkg would be appriciated.
thanks

2

I’m having the same problem. I’ve reinstalled Visual Studio, tried using a script that someone else provided in another thread, upgraded to ue4.21.

None of it worked. I can’t even work on any projects because of this critical error. Let me know if you find a solution man.

3

Do you have a white space in your path? Try to remove it, I think there is a bug with white spaces.

4

你可以试试在EpicGamesLauncher中点相应的编辑器启动按钮旁边的小箭头，下拉菜单中的验证选项试试