1366 - Incorrect integer value: '' for column `hbl_shop`.`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', 'c904tsn1s0aj3jlrosl5bp5vq0', '18.227.72.114', '1746791268', '1746791268', '/product_info.php?info=p563_805791-Deckel-fuer-Schrotmuehle-AMA50--804503-.html')

[XT SQL Error]