take a look at this, it may help https://forum.unity.com/threads/how-to-running-game-on-linux.505705/
Sure, this would be for the quest though. Ill see if i can port it
I'll test my build when i can and see if i get the same error
I just checked and the error you have is usually a installation error, try extracting the file again or use WINRAR to extract it. Hope this helps :)
I'll take a look at it later
