Originally posted by [b]Saithis[/b]
http://www.eathena.ws/board/index.php?autocom=bugtracker&showbug=3499
1. instance_npcname doesn't return the right name
2. if the instance_id can't be get and return 0; triggers, scripts like mes "dsgsdg"+instance_npcname("xy"); return an error
for a fix see
here