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', 'fd445ntauvq9dd343fepreu231', '34.229.119.29', '1594793562', '1594793562', '/index.php/cat/c434_Diabolo-Fascination-mit-Kugellag.html')

[XT SQL Error]