server crash Aura::_UnapplyForTarget

[Expecto]

ERROR: Aura::_UnapplyForTarget, target:9454035, caster:9454035, spell:18950 was not found in owners application map!
2011-12-26 21:15:10 ERROR:

........\src\server\game\Spells\Auras\SpellAuras.cpp:447 in Aura::_UnapplyForTarget ASSERTION FAILED:
false

http://pastebin.com/RGyTUNVX