Database error in vBulletin 3.8.7:

Invalid SQL:

		INSERT INTO product
			(productid, title, description, version, active, url, versioncheckurl)
		VALUES
			('stamps',
			'الأختام ـ نسخة المودة المطورة',
			'لختم المواضيع بختم مميز, منقول, مكرر ... الخ',
			'4.0',
			1,
			'',
			'');

MySQL Error   : Duplicate entry 'stamps' for key 'PRIMARY'
Error Number  : 1062
Request Date  : Wednesday, March 20th 2024 @ 05:11:09 PM
Error Date    : Wednesday, March 20th 2024 @ 05:11:24 PM
Script        : http://mediacafee.com/vb/forumadmin/plugin.php?do=productimport
Referrer      : https://mediacafee.com/vb/forumadmin/plugin.php?do=productadd
IP Address    : 41.235.146.186
Username      : الدي في دي العربي
Classname     : vB_Database_MySQLi
MySQL Version : 5.6.51