Query failed: Incorrect integer value: '' for column 'user_id' at row 1 SQL: UPDATE article SET id='512264d4d052c', user_id='', category_id0='0', category_id1='0', category_id2='0', title='', create_date='2013-02-18 09:28', publish_date='2013-02-18 00:00', last_updated='2017-10-18 07:51', updated_by='0', is_featured='1', is_gift_guide='', is_published='1', status='Published', filename='' WHERE (id = '512264d4d052c')