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', 'tpu68bo9q5nfl7cfmljt57juq3', '13.58.25.33', '1746948382', '1746948382', '/product_info.php/info/p6301_BGV-A8--Brandschutzordnung-DIN-14096--Teil-A-.html')

[XT SQL Error]