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', '1q4s0j4bgeatltuf68c3vvenb2', '34.231.109.238', '1594117278', '1594117278', '/index.php/cat/c186_Grip.html')

[XT SQL Error]