Follow the Yellow Circle Gauntlet stalled/broken Merciless Domain Path

League: Betrayal
Area: Merciless Lab, Domain Path
Whats Broken: Yellow Circle Gauntlet w/ Arrow Traps and TunnelWorm Monsters. Yellow Circle thing Stalled in First corner and will not progress farther
Repeatable - Yes
Additional Notes, I think It may have stalled because I stopped briefly to mess with loot.
Time: 10 Dec 2018, ~0330 UTC
https://imgur.com/a/CrcKTEx 7 minutes standing in it, and it does not move.

Update, I ran to the end to see if the chest was accessible and it was, even tho the piece never reached the end, assuming this has been previously addressed.

Update 2 Ran a second lab and it stalled at first corner then ran to the end and the door was open.