1366 - Incorrect integer value: '' for column `dogsdream`.`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', '38aa57cd8eec04e0e74bcb0b0d152f88', '18.117.121.71', '1747133720', '1747133720', '/shop/product_info.php/info/p6_BIO---Korianderherzchen-Gro-packung.html')

[XT SQL Error]