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', 'e5030f748d367373bf578c8413d6bb86', '18.219.236.62', '1713996839', '1713996839', '/product_info.php/language/de/info/p4017_Relief-Map-Poster-Configurator.html')

[XT SQL Error]