I have two servers in exactly the same php code. The code shares my site content in a fanpage. The problem is that on one of the servers the code stopped working and the following image error appears:
HowcanIsolvethisproblem?Didtheserverblockthefacebookdomain?Orwillitbeanotherproblemforexamplephpextensions(modules/libraries)?
Note:Thecodehasalreadyworkedonthisserver,butforsomereasonithasstoppedworkingnow.ThecodeI'musingisinthefollowinglink: here