I have MP 5.3 with the Post add-on enabled. Everything was running great until a couple of weeks ago.
Now the meta-box in the New Post window shows my list of drafts, but when I click on the button to add the post to the draft, nothing seems to happen.
In the Mail Draft page, the meta box that was previously there to show the list of attached posts does not appear at all.
Any suggestions of what could be going on here?