1366 - Incorrect integer value: '' for column `db160153`.`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', 'l25a0350refqnm0on7rt4raet1', '3.144.84.155', '1714191181', '1714191181', '/Pyramidenkerze-23-cm/Pyramide-Groesse-S-Goldgelb::519.html')

[XT SQL Error]