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', 'def77f10aa98ed3dc2aead67fc77d19c', '3.140.198.43', '1714007186', '1714007186', '/index.php/language/en/cat/c43_Hoehendaten.html')

[XT SQL Error]