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', '7n3jddtt3g7hos74g6borba7o7', '18.220.241.63', '1746958480', '1746958480', '/product_info.php/info/p6057_-Jockel-W-9-LJ-30--9-l---Wasserl--scher.html')

[XT SQL Error]