Cannot buy guild stash tabs despite being leader.

The website refuses to recognize me as leader despite displaying exactly that on the guild tab. Says me exact ID and everything as leader but when I go to buy stash tabs it tells me I'm not leader and can't buy them. It doesn't even show my character, it shows POE1 character that I played for all of 3 hours 10 years ago.

It's dumbs as hell that I even have to leave the game to buy them despite there being an entire microtransaction system built into the game. But now I'm not allowed to give you guys more money? ffs.