خطأ فى قاعدة بيانات ووردبريس: [Unknown column 'pn.mail_to_default' in 'field list']
SELECT n.*, pn.title, pn.text, pn.tooltip, pn.text_format, pn.use_short_url, pn.icon_image, pn.profile_name, pn.mail_to_default FROM `wp_supsystic_ss_projects` AS p LEFT JOIN `wp_supsystic_ss_project_networks` AS pn ON p.id = pn.project_id LEFT JOIN `wp_supsystic_ss_networks` AS n ON pn.network_id = n.id WHERE p.id = 2 ORDER BY pn.position ASC

{"version":"1.0","provider_name":"\u0645\u0648\u0642\u0639 \u0627\u0644\u0637\u0648\u064a\u064a\u0646 - \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0641\u062c\u064a\u0631\u0629","provider_url":"http:\/\/www.tawyeen.com\/tword","author_name":"\u062d\u0645\u064a\u062f \u0628\u0646 \u0642\u062f\u0648\u0631 \u0627\u0644\u064a\u0645\u0627\u062d\u064a","author_url":"http:\/\/www.tawyeen.com\/tword\/?author=1","title":"\u00ab\u0627\u0644\u0645\u0632\u0627\u0641\u0646\u00bb \u062a\u0634\u0647\u062f \u062d\u0636\u0648\u0631\u0627\u064b \u0645\u0645\u064a\u0632\u0627\u064b \u0648\u062d\u0645\u0627\u0633\u0629 \u0639\u0627\u0644\u064a\u0629 \u0641\u064a \u062c\u0648\u0644\u062a\u0647\u0627 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 - \u0645\u0648\u0642\u0639 \u0627\u0644\u0637\u0648\u064a\u064a\u0646 - \u0628\u0648\u0627\u0628\u0629 \u0627\u0644\u0641\u062c\u064a\u0631\u0629","type":"rich","width":600,"height":338,"html":"
\u00ab\u0627\u0644\u0645\u0632\u0627\u0641\u0646\u00bb \u062a\u0634\u0647\u062f \u062d\u0636\u0648\u0631\u0627\u064b \u0645\u0645\u064a\u0632\u0627\u064b \u0648\u062d\u0645\u0627\u0633\u0629 \u0639\u0627\u0644\u064a\u0629 \u0641\u064a \u062c\u0648\u0644\u062a\u0647\u0627 \u0627\u0644\u062b\u0627\u0646\u064a\u0629<\/a><\/blockquote>