[cod] cod4 script runtime error

[Mavrick Master]

******* script runtime error *******
undefined is not an array, string, or vector: (file
'maps/mp/gametypes/_class.gsc', line 190)
 self.specialty[0] = self.pers[class]["loadout_perk1"];
                              *
Error: called from:
(file 'maps/mp/gametypes/_globallogic.gsc', line 662)
 self maps\mp\gametypes\_class::giveLoadout( self.team, self.class );
      *
Error: called from:
<removed thread>
Error: called from:
(file 'maps/mp/gametypes/_globallogic.gsc', line 3284)
 self waitAndSpawnClient( timeAlreadyPassed );
      *
Error: called from:
(file 'maps/mp/gametypes/_globallogic.gsc', line 4201)
   self thread [[level.spawnClient]]();
                       *
Error: called from:
(file 'maps/mp/gametypes/_callbacksetup.gsc', line 38)
 [[level.callbackPlayerConnect]]();
         *
Error: started from:
(file 'maps/mp/gametypes/_globallogic.gsc', line 3940)
 waittillframeend;
 *
Error: ************************************
      dvar set cl_paused 0
      dvar set loc_language 0
      dvar set loc_forceEnglish 0
      dvar set com_errorTitle Error
      dvar set com_errorMessage script runtime error
(see console for details)
undefined is not an array, string, or vector
********************
ERROR: script runtime error
(see console for details)
undefined is not an array, string, or vector
********************
----- Server Shutdown -----
Sending heartbeat to cod4master.activision.com
==== ShutdownGame (1) ====
0:JOSh SEXC EXE_DISCONNECTED
1:clubbrz#Requiem EXE_DISCONNECTED
2:eNergy` .mp3 EXE_DISCONNECTED
3:xTR.:|Steed EXE_DISCONNECTED
4:eXc|Dan.Mp3z EXE_DISCONNECTED
5:So1ii is black EXE_DISCONNECTED
6

-----------------------------------------------------------------

anyone know anything about this? A cod4 server running promodliveau keeps
crashing randomly, is this a map issue? Currently re-installing the server
files incase of a corrupt .iwd file.
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