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', '986c082f3f16688242138394d391a7c3', '3.15.4.244', '1713531590', '1713531590', '/product_info.php/language/de/info/p1752_The-Bahamas-11-Satellite-Image.html')

[XT SQL Error]