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', 'ea87df9060a8230c4f2a1403601ec8e5', '44.201.99.133', '1711696660', '1711696660', '/advanced_search.php?XTCsid=c00a13a977272d3659dd7fe5a5f758e9')

[XT SQL Error]