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', '147671130d57eccfe2b3c300b73d3c43', '216.73.216.48', '1760044202', '1760044202', '/')

[XT SQL Error]