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', 'rj434kgotbipn96vvdis4dag47', '18.191.85.94', '1746938601', '1746938601', '/product_info.php/info/p6320_BGV-A8-E-07-KNS--Notruftelefon.html')

[XT SQL Error]