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', 'hnqpefp5jhfnl0ohgaa9u20b12', '18.217.203.108', '1746988291', '1746988291', '/product_info.php/info/p6260_Textschild--Notausgang.html')

[XT SQL Error]