I recently upgraded to version Wordpress 4.0 recently. Everything was working fine for a few days ... and then, suddenly, when I went into one of my pages to make an edit, the edit page was blank (signifying there is a PHP error of some sort). I deactivated all of my plugins one-by-one ... and when I deactivated WTI Like Post ... the edit page came back.
Any idea what is going wrong? The edit page (for certain pages) is blank only when WTI Like Post is activated.