1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'e7c35013a9d50d735760392e484b3ede', '3.133.131.168', '1713561196', '1713561196', '/product_info.php/language/en/info/p3563_Heard-I--Reliefkarte.html')

[XT SQL Error]