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', 'af7d4bbaabce1b9dd9cb29a49446064d', '18.204.56.185', '1659977759', '1659977759', '/index.php/cat/c29_Continents.html')

[XT SQL Error]