enemy bug in fetid pool zone on xbox 1 s

bug reference number 1,297,999,820
enemies are getting stuck in the crimson ore vein in The Fetid Pool area, preventing me from killing them to complete the quest.
gamertag: Bahamutplays
console: Xbox One S
Time of Incident: 11:10 P.M.
number of times encountered: 2

Edit: refreshing the instance seems to work, but there is no proof that refreshing won't cause it to refresh back into a glitched mob