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', '151891a8b934e07174f9c73b7fdc3ed9', '35.168.113.41', '1710849252', '1710849252', '/index.php/cat/c19_Reliefkarten-Digital.html')

[XT SQL Error]