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', 'u79ra6h2vapp9ec9unid49sqd4', '3.146.37.183', '1746787948', '1746787948', '/index.php/cat/c5337_Sicherheitsaush--nge.html')

[XT SQL Error]