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', 'cfaacad0fd6d60392dc7fe990f14a897', '3.135.216.174', '1713586242', '1713586242', '/product_info.php/language/de/info/p2862_Algerien-Reliefkarte.html')

[XT SQL Error]