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', '5ceaf6349f1ed71fc931236b05e46860', '3.133.141.6', '1713910763', '1713910763', '/product_info.php/language/de/info/p2951_Austria-Relief-Map.html')

[XT SQL Error]