Ye_Olde_Crowe wrote: »This happens when the instance is full, I assume. You will get the jump failure until someone leaves the city quarter you want to enter.
Necrotech_Master wrote: »from what i know about it, after you queue into a campaign, there is still sometimes extra processing going on to fully remove you from the queue and whatnot, if you try to go to IC surface from IC sewers while that is still processing, then it will "fail to jump" since it is a full rezone between surface and sewers
this is unrelated to how busy the instance is, as it can happen even outside of the event if you port into IC and go directly to the ladders, usually best to give it a minute or so (bank your tel var, decon, etc usually enough time for it do its thing)