Can not reset Necrotic wake

I ran a +0/Mythic Necrotic wake earlier this week, today I got a +16 necrotic wake key, I went into the dungeon and it teleported me to the end so I thought I forgot to reset it so I went out of the dungeon and pressed the reset button I went back in and it still teleported me to the end. I tried disabling my addons and it still didn’t work. I made a group and tried resetting it with the group and it still didn’t work. I tried to put my key in and resetting it to bring it down to a 15 so it would time easier and it still didn’t work so now my key is stuck in the dungeon and I can not reset the dungeon to bring it down and I have no idea what to do now. Any help would be awesome since the wait time for this ticket is 6 days and 9 hours which would make this problem irrelevant by that time

UPDATE: I got the +15 key on my dk but i still can not reset nw