So I think ive gotta new one for ya.
Person from our gym -Arni - player name -Cold - left the the gym yesterday; sorry dont know the time. At this point Grand safari Hard had been completed. When he left his raid damage was deducted from the Completed raid (it may have been even more than just his, it was over 2000 damage). So ya the raid regained health and now whenever we damage it a gym notification pops up saying the raid has been completed by whoever damaged it. I mean every time u damage it,directly,monster abilities, any damage gives the message. Im not really sure what to do about this, ive never encountered this problem before or read about anybody else having this problem in their gym. Were trying to re-complete Hard now which means we probably wont get to finish medium because of it so this is pretty frustrating and we would really like something done about it. Hopefully the info helps to solve this; sorry i dont have more info like time he left the gym and exactly how much damage he had done as that would probably help. Anyways goodluck and thanks as always.
Cheers!