I can't log in to Dire Maul for more than 24 hours

[Dipsize-shazzrah]

Good afternoon! I haven’t been allowed in Deere mole for a day and a half. "You’ve been in too many situations like this lately."I can go to other dungeons, though. This has never happened before. Please help!

[Saneko-ragnaros (Saneko)]

Please do not create multiple threads about the same subject.

The new unique instance limit is explained at the WoW Classic Discussion which you can find here or the Russian version stickied here:

New Instance Limit in WoW Classic

As part of our ongoing efforts to eliminate exploitative and automated gameplay, with scheduled weekly maintenance in each region, we’re implementing the following change to our settings on all WoW Classic realms: You may now enter a maximum of 30 unique instances (dungeon and raid) per day, per realm. This restriction complements the current limit of 5 instances per hour. Now, when a player enters a dungeon or a raid, the game checks to see if they have entered 5 instances in the last hour o…

[Xitro-burning-legion]

Instance limit is for all dungeons, not particular one, and OP has problem with only one dungeon, he can enter different ones so your post while helpful doesn’t fit here.

[Saneko-ragnaros (Saneko)]

The linked thread has mentioned a similar thing happening that players cannot enter 1 specific repeated farmed instance but can go into others after the cooldown, therefore it is quite relevant to bring the discussion towards it.