1366 - Incorrect integer value: '' for column `usr_web74_1`.`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', '1ttsf6ui20o84rkc1n6sjphnp6', '3.138.32.34', '1729624472', '1729624472', '/')

[XT SQL Error]