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', 'f0745956bb3e12a13c57ba92d9367a93', '54.147.0.155', '1711702408', '1711702408', '/index.php/language/en/refID/2/cat/c19_Reliefkarten-Digital.html')

[XT SQL Error]