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', 'u88i1l6t9dloqk49go5jvnpv76', '3.144.149.8', '1746948814', '1746948814', '/product_info.php/info/p6433_BGV-A8-F-03-KNS--Typ-F-L--schschlauch---Zusatztext.html')

[XT SQL Error]