1366 - Incorrect integer value: '' for column `abtecsho_shop`.`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', 'ju96ghpd1jbngr57u2q6mr2ph6', '18.97.9.170', '1739817496', '1739817496', '/create_account.php')

[XT SQL Error]