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', 'dee25c025edd34435023cacfd2d17054', '18.221.174.248', '1714146348', '1714146348', '/product_info.php/info/p3503_Burundi-Reliefkarte.html')

[XT SQL Error]