Well , Do It Like This :
# ConfigClassMaster=1;[];[];2;[];[];3;[];[]
# 1st, 2nd, 3rd occupation change for free, without rewards
ConfigClassMaster = 1;[];[];2;[];[];3;[];[]
# Spawn Class Master npc if you have any in spawnlist. Default = False
SpawnClassMaster = False
Save It , Open The Server
//spawn 31228 - //spawn Roy_The_Cat
And GG :)