Originally posted by [b]RoM[/b]
http://www.eathena.ws/board/index.php?autocom=bugtracker&showbug=2984
CODE
#0 0x080d62b2 in skill_delunitgroup (src=0x11b76480, group=0x0)
at skill.c:9853
9853 if (skill_get_unit_flag(group->skill_id)&(UF_DANCE|UF_SONG|UF_ENSEMBLE))