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', '32cd0449ef911ac6fa09e38c4168271f', '3.237.189.116', '1711718650', '1711718650', '/product_info.php/language/de/info/p1696_Fiji-Satellite-Image.html')

[XT SQL Error]