[2021] LowLevelFatalError [File:Unknown] [Line: 26] Pak chunk signature check failed!

i cant play the game cause whenever i connect to any server, it goes to the loadscreen and then crashes saying this:

LowLevelFatalError [File:Unknown] [Line: 26] Pak chunk signature check failed!

HLL_Win64_Shipping HLL_Win64_Shipping HLL_Win64_Shipping HLL_Win64_Shipping HLL_Win64_Shipping HLL_Win64_Shipping HLL_Win64_Shipping kernel32 ntdll