1366 - Incorrect integer value: '' for column `hbl_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', 'ql556v3j500j2maa5get2l6bv5', '18.216.150.3', '1747110805', '1747110805', '/product_info.php?info=p64_800512-Dengelbengel.html')

[XT SQL Error]