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', 'f8t2ms57ml18e7vlgk9s2q2h70', '52.3.228.47', '1601152295', '1601152295', '/product_info.php/language/en/info/p1681_Zusatzkit-1---Lange-Achse-fuer-Finesse-Diabolos.html')

[XT SQL Error]