Don't exit a dungeon when they are about to implement a patch
As far as i know, the ppl with patch seperated from the people without patch…
[VcY] Velocity – Gargamell
It is because they were allotted 3 hours instead of “X” minutes to complete the dungeon using a now non-existent build that you are using. It kinda sucks, but I really have no clue how they would fix it.