bug in server ?

[Mars]

Sometimes server crashing after 24 hours

This is message from server console


******* script runtime error *******
pair has unmatching types 'string' and 'undefined': (file
'maps\mp\gametypes\sd.gsc', line 2213)
     if(!isdefined(player.pers["team"]) || player.pers["team"] ==
"spectator" || player == self || player.sessionstate == "spectator" ||
player.pers["team"] != self.pers["team"])

*
called from:
(file 'maps\mp\gametypes\sd.gsc', line 2182)
   wait 0.05;
   *
************************************
********************
ERROR: script runtime error
(see console for details)
********************
----- Server Shutdown -----
Sending heartbeat to codmaster.activision.com
==== ShutdownGame ====
---------------------------
Hunk_Clear: reset the hunk ok


Any one can solve this ?

Thanks

Marek Suwalski