Uber Elder portal disappear

I've spent 2 hours to spawn uber elder. I died once, and the portals are gone. What the fuck? Seriously! My maps, fragments, what the fuck?

Can confirm this just happened to me TWICE today. 2 sets of frags gone. Would appreciate reimbursement of frags. As a new player who started Blight, this fight is already unforgiving enough to learn given the effort required per 6 attemps.

bump

just happened to me. died once, ressurected in town, comming back to hideout only to find all portals were gone...