Links sent from WordPress not working

I’ve got a WordPress site sending emails with Fluent CRM. Deliverability is fine, but none of the links work. They go through another link for tracking, but whether it’s people trying to unsubscribe or people trying to click my video meeting links, they go to a page that says:

This link is temporarily unavailable. Please try accessing it again later.

We apologize for any inconvenience this may cause. If the issue persists, please contact the sender of the email.

This has been happening for months at least, and I haven’t been able to find a solution for it yet.