[Maxximou5]

If this applies to you on other servers... Fixed by deleting panorama, resource, and scripts folder in the CS:GO directory of your own installation.

...steamapps\common\Counter-Strike Global Offensive\csgo

Then validating your CS:GO cache
https://support.steampowered.com/kb_...2037-QEUH-3335

If it's only on your server, validate your server files.
https://developer.valvesoftware.com/...dicated_Server