The memory could not be "read" error

Hi, Everytime I go into a RP server and someone kills me or if I take a muchroom or any drugs like that it crashes my game and I get this error: The instruction at “0x11d4c04d” reference memory at “0xf4e0454”. The memory could not be “read”. Click OK to terminate the program. I do not no what to do. This only happens in RP Servers.