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', '7b5bb10b42462ecefd00bee9b47898de', '18.221.235.209', '1713430896', '1713430896', '/shop_content.php?coID=4&XTCsid=12ab6c593489deceb1c19806497af77d')

[XT SQL Error]