1366 - Incorrect integer value: '' for column `verifie1_digilake`.`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', 'u294sejf4dsc5am8f9f4htega0', '18.204.227.117', '1591329154', '1591329154', '/as/shop_content.php?coID=48')

[XT SQL Error]