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', '16eb9fa685e0a124b2da251cec4d6363', '18.117.165.66', '1714060841', '1714060841', '/shop_content.php/language/en/coID/4/content/Impressum')

[XT SQL Error]