Blizzard has announced that the Patch 9.2.7 Auction House is temporarily closed due to a critical bug.
Patch 9.2.7 linked auction houses across all realms for commodities and for the time being it’s been shut down.
We’ve got a critical bug with the Auction House in 9.2.7, and we’ve closed the AH while we investigate and hopefully fix it.We’ll track this issue closely and provide any further updates as soon as we have them.