Crash client on my darkrp server

Hello some people on my server get a randomize crash and i don’t know why. http://www.mediafire.com/download/5wfufqd0a5btdq9/hl2_160706_crash_2016_8_17T16_12_54C0.mdmp
this is a crash report, can you tell where the crash is from because i don’t understand