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', '93c34c71cb638a3dde354fc8daa38c63', '35.169.107.177', '1711640719', '1711640719', '/index.php/language/en/cat/c30_Laender.html/page/6')

[XT SQL Error]