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', 'lt51p7p9nlskp7fhh92an60ff7', '18.208.126.130', '1594527102', '1594527102', '/index.php/cat/c322_Rebound.html')

[XT SQL Error]