Incorrect integer value: '' for column 'user_id' at row 1 Database Server Error !!insert into `click_count` set `click_ip` = '3.236.18.161', `click_url` = '/listing/enar-printers/', `p_id` = '26', `type` = 'Listing', `user_id` = '', `datetime` = '2022-12-01 14:40:52'