exception 'FacebookRestClientException' with message 'Requires user session' in /home/virality/library/php/common/facebookapi/20100224/facebookapi_php5_restlib.php:3374 Stack trace: #0 /home/virality/library/php/common/facebookapi/20100224/facebookapi_php5_restlib.php(1130): FacebookRestClient->call_method('facebook.friend...') #1 /home/virality/library/php/world-poker/db.inc(528): FacebookRestClient->friends_getAppUsers() #2 /home/virality/library/php/world-poker/db.inc(501): get_installed_frds() #3 /home/virality/www/world-poker/rankings.php(54): get_frds_rank(Array) #4 {main}failed