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', 'f33366a95a9ab335cbad002bf4983450', '216.73.216.65', '1752612754', '1752612754', '/product_info.php/info/p2846_Satellitenbild-Poster-Konfigurator.html?refID=1')

[XT SQL Error]