Flying creatures issue

Hi guys,
here I have a problem with some flying NPCs.
The problem is when a player kill then they won’t fall down to the ground and their corpse will still on the air.

Also in some other cases I have the flying NPC on the ground and it’s always out of range. But after killing it it goes high up to the sky again.

https://github.com/TrinityCore/TrinityCore/issues/

known issue, and already reported.

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