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', 'dddd5f1e808c8b026c672ccd07e22b75', '3.17.186.218', '1714110729', '1714110729', '/index.php/language/de/cat/c33_Satellite-Images-digital.html')

[XT SQL Error]