Dungeon walls not being removed during performance issues

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Date & Time: 01/14/2022, 19:45 (GMT -3)
Frequency: Happened twice, the first time being more than three weeks ago.
World name: Faerie
Character name: Sky Sumisu
Class/Level: Paladin (65)
Party or solo: Party
Area and coordinates: Snowcloak (X:10.4,Y:8.1)
Steps:
1. Go on a Dungeon/Alliance raid where there is a "wall" that dissipates once nearby monsters are killed (I had this bug happen in Snowcloak and "Final Coil of Bahamut Turn 2"
2. Suffer severe performance issues (Caused by computer being at 100% CPU/Memory usage at some moments, not by any internet/server issues)
3. Have the monsters whose death would trigger the "wall dissipation" die during that.
4. The wall will have dissipated for your party allies, but not for you. They will be able to cross it at will, but you won't, even actions such as "Rescue" won't be able to make you go past it.

A screenshot (Notice how my team is on the other side, while the wall is still present for me):
https://i.imgur.com/kWfcrpl.png