Probably at this time will be fixed if I posting here…
I already made 1000+ bugreports ingame about this bug…
In retail in legion remix as well the same issue in the lfg…
at last find the group but the group already start the fight with the LAST BOSS!
But cant join because the fight not allowed the teleportation in the dungeon, and who is outside has no clue which boss are they fighting inside..
then at last the fight is over, can teleport in and the last boss is on the ground… lovely… no loot, no experience, nothing, okey, leave the dungeon, your reward is 30 min ban from dungeons and raids… seriously??? this bug is still up since legion… it should be fix this now…