invisible wall in maven arena

i was doing some mavens when in one fight an invisible wall spawned in the left side of the arena, moving me into the middle whenever i tried to walk, shield charge or frostblink over it.

Bug Report ID: #3268018062

imgur upload showing the bug: https://imgur.com/a/rd9zqSd

It is a Bug with Ersi, Mother of Thorns, when she is summoned during Maven's Nebula phase. Killing Ersi does not remove the walls that were spawned.

https://www.youtube.com/watch?v=MjnhBceshZU

They both desync and prevent the memory game from working, as well as bugging Maven's AI and softlocking the boss fight.

https://streamable.com/l5kqyb