Profile post not matching user


Well-known member
A new member on my forum signed up on Tuesday. But there's a profile post made by the same member on one day prior to joining, on Monday on two different members profile pages. IP and everything matches the correct user.

How was the profile post made? And the profile post content is by another user who was banned.

I've rebuilt profile post cache to see if it fixes the weirdness, but it hasn't.

What's going on?

This has never happened before.