SSH Agent refuses a key

Could it be related to the most recent outage? It was working yesterday, but doesn't work today. I haven't changed anything.

debug2: pubkey_prepare: done

debug1: Offering public key: SSH Key ED25519 SHA256:VtP3fFMD4SAYpQEoQdqieskmDJAJHsT/grXH3EcWOnU agent

debug3: send packet: type 50

debug2: we sent a publickey packet, wait for reply

debug3: receive packet: type 60

debug1: Server accepts key: SSH Key ED25519 SHA256:VtP3fFMD4SAYpQEoQdqieskmDJAJHsT/grXH3EcWOnU agent

debug3: sign_and_send_pubkey: using publickey-hostbound-v00@openssh.com with ED25519 SHA256:VtP3fFMD4SAYpQEoQdqieskmDJAJHsT/grXH3EcWOnU

debug3: sign_and_send_pubkey: signing using ssh-ed25519 SHA256:VtP3fFMD4SAYpQEoQdqieskmDJAJHsT/grXH3EcWOnU

sign_and_send_pubkey: signing failed for ED25519 "SSH Key" from agent: agent refused operation