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', 'dcef2ceb992c4f19b65a5b2b114ea570', '54.163.200.109', '1711675582', '1711675582', '/index.php/language/de/cat/c30_Laender.html/page/2')

[XT SQL Error]