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', '0a7f480870ea536690ce3e982c5b4330', '18.97.14.85', '1750288558', '1750288558', '/')

[XT SQL Error]