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', '9c71689dd3c5904e7b2698de09c976c7', '3.15.6.77', '1713857601', '1713857601', '/product_info.php/language/de/info/p2885_Mozambique-Relief-Map.html')

[XT SQL Error]