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', '689a02455730d02541d2a222ee94f9b4', '18.118.31.247', '1713522536', '1713522536', '/index.php/language/en/cat/c7_3D-Landscape-Models.html')

[XT SQL Error]