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', 'd9dj1rh58o6k62ldq74248huc5', '3.145.79.94', '1746973928', '1746973928', '/product_info.php/info/p7005_Rettungswege-f--r-die-Feuerwehr-freihalten-.html')

[XT SQL Error]