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', '50c322b586a155cb8e867ed51b3b0a65', '3.133.144.217', '1714088588', '1714088588', '/index.php/cat/c40_Karten-Konfigurator.html')

[XT SQL Error]