Query failed: Incorrect integer value: '' for column 'user_id' at row 1 SQL: INSERT INTO article (id, user_id, category_id0, category_id1, category_id2, title, create_date, publish_date, last_updated, updated_by, is_featured, is_gift_guide, is_published, status, filename) VALUES ('5ae078ccec2b9', '', '0', '0', '0', '', '2018-04-25 05:47', '', '2018-04-25 05:47', '', '', '', '', '', '')