1366 - Incorrect integer value: '' for column `shop_db3`.`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', 'fc61159c7cf109d2adb4df11f5c5ffce', '44.220.41.148', '1711700674', '1711700674', '/product_info.php?info=p325_Jericho---Sound-Assistant-2.html&XTCsid=a33edcfe7a4d0f8d478a4ad1978f2859')

[XT SQL Error]