[2020] Array index out of range

It's a pretty generic error, so to really see what's going on, we'd need to have a look at your output log (player.log on Mac and Linux). This guide explains where to find the log and suggests some sites you can upload it to, since we can't attach files here on Steam.

https://steamcommunity.com/sharedfiles/filedetails/?id=463645931&searchtext=log