1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'af9c7d5284eee5f9f2db2a464c168f0f', '3.236.138.35', '1674861595', '1674861595', '/product_info.php/info/p10_3D-Druck.html')

[XT SQL Error]