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', '8927402a7d8f747fc95c6985dd4364ff', '3.15.156.140', '1713480294', '1713480294', '/product_info.php/language/en/info/p3109_Sweden-Relief-Map.html')

[XT SQL Error]