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As taraz said maybe it's a Hivesigner problem, I'll query it in the Discord.

Thanks for trying!

Are you signed in with keychain?

It needs wallet approval - but you are likely signed into the site with your posting key. If you have your active key in keychain, it should work.

I use Hivesigner.. Keychain never worked on my phone

Not sure then. I was also on a desktop when I did mine.