I recently upgraded one of my blogs to the latest WordPress version (WordPress 4.2.2 as of this writing) and it seems everything is running fine on the homepage. However, when I read some post, I’ve found out the Sidebar is missing and some functions which I’ve added at the end of every post are missing too or not uploading.
Then I saw this ” Fatal error: Call to undefined function adrotate_ad() in – …./single.php on line 29″. Seeing the “adrotate_ad” within the line, I tried to deactivate the plugin but the error is still there after I refresh the page.
I thought Google is my friend. When I searched for this error, most of the result pages and suggestions are pointing to AdRotate Pro (which is not free anymore).
So what is the best solution then?
Easy. Delete the AdRotate plugin. Easy right? Continue reading…