1366 - Incorrect integer value: '' for column `dogsdream`.`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', '4c13d8e5a16278b566e671bb24779b56', '18.117.158.10', '1732269921', '1732269921', '/shop/product_info.php/info/p8_BIO---Apfel---Honig-Gro-packung.html')

[XT SQL Error]