1366 - Incorrect integer value: '' for column `pella-ware`.`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', '5f6b21e9d482576cca51e5660eae146d', '44.213.60.33', '1720973580', '1720973580', '/')

[XT SQL Error]