Board Thread:Support Requests - Designing Your Wiki/@comment-30307603-20170716025757/@comment-5558012-20170716032914

I posted a solution (for instances caused by the forum activity module) in the technical blog comments (diff - first line, remove page selector).

Edit: I believe the right side border issue comes from using a table to format the right column (no idea why you're using a table). Personally I'd recommend removing the table or changing your right margin.