1366 - Incorrect integer value: '' for column `abtecsho_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', '7u1bmjb7jtp64t5pb7cfso4np7', '216.73.216.175', '1751426013', '1751426013', '/index.php/cat/c5215_ABC-Pulver.html')

[XT SQL Error]