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', 'fs1s8brenrbha4rvmrr8kv7bv5', '18.189.185.100', '1746963440', '1746963440', '/product_info.php/info/p5870_-Jockel-WN-9-J-Classic--9l---Wasserl--scher.html')

[XT SQL Error]