When trying to access your Forum, i get: Uncaught (in promise) TypeError: NetworkError when attempting to fetch resource. Press F12 to see it your...

Well this is why i posted full details on how to replicate the issue, with captures. And apparently those are not "abandoned" posts but something else...

I hope that solves the mystery of people reporting here this anonymous 52 years old issue ... 😎

@farhad Just use a security/firewall/protection plugin. Protect your WP BEFORE registration or login.

Well not all hosting services are like that. Anyways, just FYI, nothing else.