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', '146b0c37a63fe6aebcbd91739882fd86', '44.204.218.79', '1711629029', '1711629029', '/index.php/cat/c32_Welt.html')

[XT SQL Error]