Did you change the minimum and maximum in your trunk/conf/battle/client.conf?
min_hair_style: 0
max_hair_style: 27
min_hair_color: 0
max_hair_color: 8
min_cloth_color: 0
max_cloth_color: 4
Hi Tranquility. Have you checked and confirmed if JT_C2_PORCELLIO is actually available on your data\luafiles514\lua files\datainfo\npcidentity.lub ?
On mine, it shows as JT_C2_PORCELLIO = 2700, are you sure you haven't overwritten 2700 with another mob or something?