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', 'f464cb73ffd0af01771cf67643a1f6eb', '18.97.14.86', '1737601334', '1737601334', '/')

[XT SQL Error]