Correct. But this happens in General with Wordpress, theme and plugins. New people have NO IDEA what they are doing and expect to run a Wordpress site...

@verek For me it was the word "cr*p" !!!!!!!!!!!!

The forums are neglected and the paid support is not the reason, IMHO. If it was, why spam topics remain for days??? I hope this is not the start ...

@pcguidelk Enable standard Wordpress DEBUG TO A LOG and see the real error.

Also you should use .htaccess to BLOCK some user agents that are well knows to scrape and attack. If you want, i can expand on this.

Well, you had issues like that before and you were unable to find the real cause of it. So i can't realy tell you if this will solve your issue or not...

Well, i already got my reward, i was BANNED here for one day, for some reason. And nobody cared or noticed to fix that. Screenshot-2...

Also since you have a large forum, you definitely MUST block some crap using your .htaccess. You should block known scrapers user agents, seo scanne...

Make a full backup, disable and remove your current page caching plugin (for the moment) and try this Follow my instructions fully pls.

@seancallahan So you have set in General settings the /members to WHAT? If you see as logged correctly, then it could be a caching issue.

@seancallahan You can't have such a page. All your profiles have a /member/namexxxx from what i see, the above doesn't. What permalink you are...

His profile is somehow REDIRECTED and results a 404. Maybe you are using some other plugin for profiles. The wpForo profiles are at /participants as...

The link you provided is correctly returning 404, the profiles are at /participant/userxxxx

This is a addon/plugin question, you should ask at gvectors.com.

They can do that with one click themselves. You can't.  Screenshot.png