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', '9u7q9em7tdd6t6pnt941ohdvd1', '3.145.135.237', '1746975679', '1746975679', '/account_edit.php')

[XT SQL Error]