Hello, I'm not sure if it's a bug or it's my configuration problem,
But when ever I send "!yell oxy Hi" GSManager restarts it self!
since my name was oxygenz in the server, I was trying it on my self, not other players, Also It works okay when I put "All" instead of "oxy"..
Thanks to GSM Developers for developing GSM, It made server managing really easier. 
Can you post the part of the logfile when the crash occured?
Can you post the part of the logfile when the crash occured?
[02.07.17 13:43:31] Info: Player 'n2L.oxygenz' executed command: 'yell oxygen Hi', PID: 2, GUID: 02aa15fbfbc088b5718ccb0b0cd69bd9
[02.07.17 13:43:31] Notice: Notice in root/cod4/GSMs/Pub_28960/daemon/engines/quake3/commands.php:562 => Undefined offset: 1
[02.07.17 13:43:31] Error: Error in root/cod4/GSMs/Pub_28960/daemon/engines/quake3/commands.php:562 => Call to a member function getPID() on null
[02.07.17 11:13:32] Info: =========================
[02.07.17 11:13:32] Info: GSManager (Version 1.2.2)
[02.07.17 11:13:32] Info: =========================
[02.07.17 11:13:32] Info: Config loaded: basics.json
[02.07.17 11:13:32] Info: Config loaded: plugins/statistics.json
[02.07.17 11:13:32] Info: Config loaded: plugins/censor.json
[02.07.17 11:13:32] Info: Config loaded: plugins/balancer.json Here you are