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', '8d4363bdbf7afdc6a6449e30228e9233', '216.73.216.124', '1763165713', '1763165713', '/index.php/cat/c40_Map-Konfigurator.html')

[XT SQL Error]