1366 - Incorrect integer value: '' for column `shop_db3`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '5d46d7e452daeb3f155ca868654da887', '18.218.184.214', '1714073605', '1714073605', '/advanced_search.php?XTCsid=fbf10991e93a5b1cee6d3cdc21485899')

[XT SQL Error]