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', '73cd674ca9d8c22cfa927c37bc492181', '3.135.205.164', '1714122391', '1714122391', '/product_info.php?info=p317_Easy-Tunes--C-Instrumente---HOCH-.html&XTCsid=1ac6c2897c9e1517fbc2b6cff40eabd3')

[XT SQL Error]