Problem with new mounts!! help

I add this new mounts [Only registered and activated users can see links. Click Here To Register...] and i can see mount ingame but when i try attack from mount i have problem....when i attack i get error and my client close,error is this----> [Only registered and activated users can see links. Click Here To Register...]

Syser: 0711 00:44:31070 :: CEffectManager::RegisterEffect - LoadScript() Error
0711 00:44:31081 :: ResourceManager::GetResourcePointer: NOT SUPPORT FILE d:\ymir

Can someone help me????? thx