Script error

[Mariusz]

******* script runtime error *******
undefined is not an entity: (file 'scripts/shops.gsc', line 352)
weap hide();
*
called from:
(file 'scripts/shops.gsc', line 128)
for(i=0;i<randomboxes.size;i++) randomboxes[i] thread randombox(randomweaps[i]);
*
called from:
(file 'scripts/bzmod.gsc', line 530)
thread scripts\shops::init();
*
called from:
(file 'maps/mp/gametypes/_callbacksetup.gsc', line 15)
[[level.callbackStartGameType]]();
*
started from:
(file 'maps/mp/gametypes/_callbacksetup.gsc', line 10)
CodeCallback_StartGameType()
*
************************************
Error during initialization:
script runtime error
(see console for details)
(file 'maps/mp/gametypes/_callbacksetup.gsc', line 10)