Error message

• Notice: unserialize(): Error at offset 0 of 2 bytes in photos_node_load() (line 551 of sites/all/modules/photos/photos.module).
• Deprecated function: Automatic conversion of false to array is deprecated in photos_node_load() (line 552 of sites/all/modules/photos/photos.module).
• Notice: unserialize(): Error at offset 0 of 2 bytes in photos_image_page() (line 102 of sites/all/modules/photos/inc/photos.image.inc).
• Notice: unserialize(): Error at offset 0 of 2 bytes in photos_image_pager() (line 1088 of sites/all/modules/photos/photos.module).