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', 'c1r8o2e66lc16un5h6428stt10', '18.188.159.155', '1743589056', '1743589056', '/')

[XT SQL Error]