How to update to 2.0 safely
I figured out why the Slim SEO stopped set pages from working. I am going to write to them and see if they give me a fix, but here is what happens.
On the WP side there are short codes generated by wpForo for the pages. For example the short code is [wpforo] on one of the page.
On the slim SEO if there is no meta description it takes the first copy it finds, and auto ads this to the meta description, in this above case the meta description became [wpforo]. This causes a conflict on the page.
As soon as I insert other meta description without the brackets the page shows and works fine.