Folders 755 and Files 644 (not the opposite as you post above). Still this should be somehow automatic from your hosting setup. Because you can't ma...

This is the official post about caching: I'm not familiar with that plugin (it is paid) but i guess ... yes. The "base" page with the shortcode s...

I see you use Rocket cache WITH wpForo and this is not what you should do. It has been talked a lot here and also the support has posted several time ...

@mondesensuel What kind of hosting plan are you using? PHP ? DB ? memory ? Is a big site? Big wpForo ?

Nothing will happen to your site for 5 minutes.

Could you try to disable Wordpfence for a few minutes and check again if something changes.

Also it may come from Endurance cache, active in the forum pages.

Do you run The Shield or any other security protection for Wp or login?

You still have a LOT js errors.

Press f12 and check your console, you have a lot of errors.

Your error seems to be like this: But it is normal and doesn't have any relation with login issues. Maybe the login is a different problem.

@GVECTORS Thank you for all those unbelievable updates for a free forum plugin. Also btw Happy Holidays and best wishes for you and your families.

@maschinist Via ftp delete the plugin with the problem. Nothing else we can do. I will probably switch to Fastest Cache this weekend.

Yes it is time to change to something else for caching.