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', '041316f6a8aa9825264c8d749a8abb8b', '18.220.59.69', '1714023451', '1714023451', '/shop_content.php/language/de/coID/1/content/Liefer--und-Versandkosten')

[XT SQL Error]