It seems that Facebook has made some changes to their programming API and the mobile application vendors or developers, who use Facebook API in their applications, were not told about the changes or they are not updating their applications to work with the changes.
This problem seems to happen on IPhone or BlackBerry smartphones, when someone uploads or posts a photo to Facebook using his/her mobile application.
This is how the Facebook Friend Request looks
It seems Blackberry devices running Blackberry OS 7 and earlier are affected by this problem.
How to fix the "Facebook Friend Requests from Persons you are already Friends With" problem
Try upgrading your Blackberry OS 7.0 to version 7.1
It seems that this problem does not occur on the Blackberry Z10.
Please revisit this page, because we will continuously update it as we get more information about this problem.
If you know of a fix, please post it in the comment box below.
For information about Profile Cloning , please click here.