D2S savage visual bug

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Date & Time: 7/19/2017
Frequency: once
World name: Coueurl
Monster name: Catastrophe
Class/Level: 70
Party or solo: party
In-game time: 10pm EST ish
Area and coordinates: Deltascape 2 savage
Steps:
1. We wipe and our SCH still had levitate visually, but no leitate buff.
2. His screen he is in the air
3. On mine and other raid member he is on floor and no debuff

Here is the clip
https://www.twitch.tv/videos/160263805