1366 - Incorrect integer value: '' for column `jugglux_jstore`.`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', 'jpapno9a3r3nfh2lrcfcr46gm5', '34.231.109.238', '1594118047', '1594118047', '/index.php/cat/c374_Sticks-zum-Drehen.html')

[XT SQL Error]