Having problems with my piefed.ca account

Ever since I got a ban a few months ago, my account has had problems posting and commenting on some instances or communities.

Especially in the canada@lemmy.ca. community.

Here are some screen shots from the errors I'm getting.

This one is trying to reply to a user comment in a thread in a post on canada@lemmy.ca

And these are errors showing up in my application log in the Summit app for Piefed and Lemmy: