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', '5vttkda5l43rtsuu9eacpp6lk3', '3.144.212.145', '1713901612', '1713901612', '/Pyramidenkerze-30-cm/Pyramide-Groesse-M-Kiwi::774.html')

[XT SQL Error]