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', 'l9lebmm002gh8imkb5s931feb5', '18.207.98.249', '1711715514', '1711715514', '/Pyramidenkerze-23-cm/Pyramide-Groesse-S-Hellblau::521.html')

[XT SQL Error]