Breakfastで検索：Flikrより

Warning: simplexml_load_file(http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=53c8bd154c36601791e147c18b4d6559&text=Breakfast&sort=interestingness-desc&per_page=6) [function.simplexml-load-file]: failed to open stream: HTTP request failed! HTTP/1.0 403 Forbidden in /home/users/1/lolipop.jp-6324c7507196b142/web/syoku2/index.php on line 158

Warning: simplexml_load_file() [function.simplexml-load-file]: I/O warning : failed to load external entity "http://api.flickr.com/services/rest/?method=flickr.photos.search&api_key=53c8bd154c36601791e147c18b4d6559&text=Breakfast&sort=interestingness-desc&per_page=6" in /home/users/1/lolipop.jp-6324c7507196b142/web/syoku2/index.php on line 158
XMLパースエラー