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', '9aq8vgoprmqq1utotvd7p6uq53', '3.145.177.173', '1746954695', '1746954695', '/product_info.php/info/p6516_BGV-A8-E-13-KNS--Rettungsweg-links-aufw--rts.html')

[XT SQL Error]