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', 'ea1eh4ibi3fomefk5d0tk78o81', '3.139.234.66', '1746956376', '1746956376', '/product_info.php/info/p5858_-Jockel-P-9J-Classic--9-kg---Auflade-Pulverl--scher.html')

[XT SQL Error]