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', '31140bea878ce8f3821ee574e28b39fd', '35.153.156.108', '1711712865', '1711712865', '/product_info.php/language/en/info/p2945_Eritrea-Relief-Map.html')

[XT SQL Error]