Raid: Tempe of AQ40
just finished mog run on 1 toon. logged over to 2nd and hitting invisible wall. cannot enter instance. logged over to 3rd toon and invisible wall again. went on 4th and 5th toons to test and the 4th and 5th was able to enter.
EDIT: forgot to come back and update. disabled all my addons, logged out and in then was able to enter.