1366 - Incorrect integer value: '' for column `db160153`.`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', '9ce11ee14bb254c91e4c8358434a9a13', '18.191.21.86', '1715394798', '1715394798', '/Grosse-Kugel-Kerze/Grosse-Kugel-Kerze-Champagne::676.html')

[XT SQL Error]