bug report id 3170793637 iron citadel ,can't compleat the map

after i cilled boss and all mobs on the map,still didn't let me compleat the map,also shoes me 1 monstr left wich is the dead boss
i think it could be couse of dellirium i have skipped at the start
i also activate dellirium and finished it,also fine rare monstr in it wich was not marked with icon on the map,wich is also bag,even i compleate everything it doesn't help.