1366 - Incorrect integer value: '' for column `hoc_db9`.`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', '1e45aaa81614b25405cf0e7f6b4a8413', '34.229.119.176', '1669941478', '1669941478', '/index.php/cat/c111_Single-Node.html')

[XT SQL Error]