1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', '7ba375823901b45a47a5a0fd88594078', '3.235.188.113', '1695595798', '1695595798', '/advanced_search.php')

[XT SQL Error]