1366 - Incorrect integer value: '' for column `schablone_1`.`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', '3d2b3ed6ff1d8baf2c2da4cc6ca1345f', '44.192.254.173', '1696473148', '1696473148', '/shop/index.php')

[XT SQL Error]