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', '8bb6344906cbd24f39f0a1be9588caa7', '216.73.216.118', '1765998734', '1765998734', '/index.php/language/de/cat/c35_Laender.html')

[XT SQL Error]