I had that problem before and for some reasons I fixed it by changing my decimal from , to .
and after that I re-compile my map with (compile, light, link).
The Error is gone from the console list in launcher and the weapon sounds etc are working then.
How to fix it:
Go to: or
change: Decimal sign
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some people was talking about this and later I have it tried out and for me it works
I hope that this will help you
No offense get off my back ok. i clicked request beta access and i said something about hitting me up for one. i dont see a problem and you guys need to stay off my back bout it. ban or suspend me if u must but tell me why there is a "request beta access"
Not sure if this has been mentioned but if your teammates are stuck on the "move your mouse" screen just type pause in the console then press enter to resume game, this worked for me on another map.
Well, You fixed the menu bug, but now theres clipping errors left of every wallbuy & Grabbing zombies.