Facebook connection in SocicalEngine is supported in core what is very useful for user since almost people need it for their social network. But now it have some problems.
Facebook has recently made some changes to their integration API which is causing the integration script with Social Engine to break. In this article I will show you how you can fix these issues. To summarize, the fix will involve a simple modification to the authcontroller file.
Fix issue Facebook connection in SocialEngine 4
Open the following File:
Around line 750
<span class="pl-s1"><span class="pl-s"><span class="pl-pds">'</span>offline_access<span class="pl-pds">'</span></span>,</span>
<span class="pl-s1"><span class="pl-c">//'offline_access',</span></span>
Once you have made the change to the above file, re-upload the file to your site and should now allow Facebook to work with your site.