1366 - Incorrect integer value: '' for column `abtecsho_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', 'neprslmeeifocu97nk79a38q85', '18.219.90.165', '1746950740', '1746950740', '/product_info.php/info/p7051_ISO-7010-F-005--Fahnenschild-Brandmelder.html')

[XT SQL Error]