That's not a "bug" in ESO code. That's actually just a current *server issue* : https://forums.elderscrollsonline.com/en/discussion/comment/7562288#Comment_7562288LOL We just defended an outpost that had a door at 0% that did not open, we attacked a keep where the ram rolled through the 0% door but we couldn't get through the door...
what a mess.
now we can't disband the group, leave it individually or indeed leave cyrodill at all!!! .