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', '8a268c74d10a0c19ed69d4fe48573587', '3.141.192.219', '1713554956', '1713554956', '/shop_content.php/language/de/coID/7')

[XT SQL Error]