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', 'k7ev0a0jjdtvvi9mcgd0138163', '34.204.187.106', '1594498971', '1594498971', '/index.php/cat/c291_Allgemein.html')

[XT SQL Error]