php fatal error Uncaught OAuthException: when accessing a php page from facebook application through flash

php fatal error Uncaught OAuthException: when accessing a php page from
facebook application through flash

References

Reference NO 1

http://stackoverflow.com/questions/15203101/php-fatal-error-uncaught-oauthexception-when-accessing-a-php-page-from-facebook

Reference NO 2

http://stackoverflow.com/questions/11711035/facebook-callback-when-application-is-removed-from-page

Reference NO 3

http://www.joeyrivera.com/2010/facebook-graph-api-app-easy-w-php-sdk/

Reference NO 4

http://flash.bigresource.com/php-Uploading-image-to-facebook-through-external-script--qbpiZZ1mF.html

Reference NO 5

http://codecanyon.net/item/photo-contest-facebook-app-script/discussion/4677693

Reference NO 6

http://thinkdiff.net/facebook/iadvance-graph-api-iframe-base-facebook-page-app-development/

Reference NO 7

http://25labs.com/tutorial-integrate-facebook-connect-to-your-website-using-php-sdk-v-3-x-x-which-uses-graph-api/

Reference NO 8

http://forumarray.com/flash-post-a-swf-via-graph-api-using-php-sdk-526637