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

{"id":6346,"date":"2011-05-06T11:07:49","date_gmt":"2011-05-06T07:07:49","guid":{"rendered":"http:\/\/www.tawyeen.com\/tword\/?p=6346"},"modified":"2011-05-06T11:07:49","modified_gmt":"2011-05-06T07:07:49","slug":"%d8%b5%d9%88%d8%b1-%d9%84%d9%85%d9%82%d8%aa%d9%86%d9%8a%d8%a7%d8%aa-%d8%a7%d9%84%d9%85%d8%ba%d9%81%d9%88%d8%b1-%d9%84%d9%87-%d8%a7%d9%84%d8%b4%d9%8a%d8%ae-%d8%b2%d8%a7%d9%8a%d8%af-%d8%a8%d9%86-%d8%b3","status":"publish","type":"post","link":"http:\/\/www.tawyeen.com\/tword\/?p=6346","title":{"rendered":"\u0635\u0648\u0631 \u0644\u0645\u0642\u062a\u0646\u064a\u0627\u062a \u0627\u0644\u0645\u063a\u0641\u0648\u0631 \u0644\u0647 \u0627\u0644\u0634\u064a\u062e \u0632\u0627\u064a\u062f \u0628\u0646 \u0633\u0644\u0637\u0627\u0646 \u0622\u0644 \u0646\u0647\u064a\u0627\u0646 – 20 \u0635\u0648\u0631\u0647"},"content":{"rendered":"
\u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0645\u0642\u062a\u0646\u064a\u0627\u062a \u0627\u0644\u0634\u062e\u0635\u064a\u0629 \u0641\u064a “\u0645\u0639\u0631\u0636 \u0627\u0644\u0645\u063a\u0641\u0648\u0631 \u0644\u0647 \u0627\u0644\u0634\u064a\u062e \u0632\u0627\u064a\u062f \u0628\u0646 \u0633\u0644\u0637\u0627\u0646” \u0627\u0644\u0630\u064a \u064a\u0634\u0631\u0641 \u0639\u0644\u064a\u0647 “\u0646\u0627\u062f\u064a \u062a\u0631\u0627\u062b \u0627\u0644\u0625\u0645\u0627\u0631\u0627\u062a.<\/strong><\/div>\n
\n