1366 - Incorrect integer value: '' for column `jugglux_jstore`.`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', 'd608rvekf3b9h9beodiierdk23', '52.3.228.47', '1601153778', '1601153778', '/index.php/language/de/cat/c202_Handsticks---Controls.html')

[XT SQL Error]