Erollisi Marr Server Tower of Rot seems to be bugged and all the mobs/npc's are continuously running the stairwells. Making it impossible to get quests.
I repopped the zone on emarr. This is a known bug that I believe has been worked on by design a few times, and seems to be really elusive (I don't think we know how to reproduce it, but the scripting was/is a mess).
Really hate that zone. Circular stairs that go up and up and up are REALLY annoying. Please dont do that again.
Saw it had happened a few times on Phinigel, zone repop or monthly patch downtime fixes it but it seems to happen for a very hard to reproduce reason and once it starts it is impossible to do anything in the zone. My own suspicion is someone using far taunt in the zone to grab named NPC's borks it, have not seen regular pulling ever cause it to happen.