It seems that this error is not new to me: It has been there for a year and happens from time to time.

The problem seems to be ONLY for unapproved Topic delete. I can delete unapproved POSTS allright. And all that in Moderation menu.

Nope. I can replicate it easily. All unapproved Topics that i try to delete, show the same error. And it is not site-specific, tried it in two differe...

Actually you are right about the (1). Just logged to a forum and found 2 new topics waiting for moderation. Never got any email about that.

I would appreciate some reply for my question. I think it is important to know. Thank you

@zaidcrowe The slow performance on your site is also in other places, like the BLOG. Still, i stick to my original post. The steps are clear, no way t...

Impossible to understand what is wrong, since you use all kind of things like Cloudflace, Rocket Cache... Is it wpForo slow or Wordpress script slow ?...

About the plugin, set it to Modify and set to 60 seconds (from default 15). That would be fine.

@timrodman The hosting plan looks very good (but it can only "look" good, i have no idea). Litespeed server also. The stats you posted show a low traf...

As i said, their suggestion was not a good one UNLESS you run a big anf busy site. But in that case you should change hosting plan, simply. There is n...

Before pointing a finger to wpForo, there are somethings you should try. 1. Enable Wordpress Debug to a LOG and check for errors. 2. Install and Confi...