Zelle [Payment Rejected]

I just got off of the phone with my bank. They’re rejecting my Zelle payment, “for my security”. They won’t say why, but it seemed ominous - as if the account has been flagged. I’ve used Zelle many times before and have never had an issue. What should I do to resolve this? I’ve reached out to the seller and am waiting for their response.

Open a dispute with Ctrl+O.
There was a similar issue. Did you already required help at Keybase for this trade?