stack traceback:
[C]: in function 'removeSpriteFramesFromFile'
[string "scripts/animation/sequFrameAnimLoaderImpSkill..."]:285: in function 'removeTextureCache'
[string "scripts/animation/sequFrameAnimLoaderImpSkill..."]:220: in function 'unloadSequAnim'
[string "scripts/animation/actorSequFrameAnimManager.lua"]:892: in function 'unloadUnusedAnimData'
[string "scripts/animation/actorSequFrameAnimManager.lua"]:922: in function 'unloadAllUnusedAnimData'
[string "scripts/gamestates/gameStateWorld.lua"]:216: in function 'CleanWorld'
[string "scripts/gamestates/gameStateWorld.lua"]:98: in function 'onExit'
[string "scripts/game/mediator/gamestates/GameStateCon..."]:70: in function 'ChangeGameState'
[string "scripts/game/mediator/gamestates/GameStateCon..."]:35: in function 'notify'
[string "scripts/framework/patterns/observer/Observer.lua"]:85: in function 'notifyObserver'
[string "scripts/framework/core/View.lua"]:114: in function 'notifyObservers'
[string "scripts/framework/patterns/facade/Facade.lua"]:331: in function 'notifyObservers'
[string "scripts/framework/patterns/facade/Facade.lua"]:314: in function 'sendNotification'
[string "scripts/game/command/gamestates/LeaveWorldCom..."]:42: in function 'execute'
[string "scripts/framework/core/Controller.lua"]:123: in function 'notify'
[string "scripts/framework/patterns/observer/Observer.lua"]:85: in function 'notifyObserver'
[string "scripts/framework/core/View.lua"]:114: in function 'notifyObservers'
[string "scripts/framework/patterns/facade/Facade.lua"]:331: in function 'notifyObservers'
[string "scripts/framework/patterns/facade/Facade.lua"]:314: in function 'sendNotification'
[string "scripts/logic/gameWorldController.lua"]:200: in function <[string "scripts/logic/gameWorldController.lua"]:186>