I am recieving this error while trying to reindex "Product Attributes". Can anyone suggest, what might be the issue and possible solution
Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '2828-148-1-471' for key 'PRIMARY'' in E:\xampp\htdocs\magento\lib\Zend\Db\Statement\Pdo.php:228 Stack trace: #0 E:\xampp\htdocs\magento\lib\Zend\Db\Statement\Pdo.php(228): PDOStatement->execute(Array) #1 E:\xampp\htdocs\magento\lib\Varien\Db\Statement\Pdo\Mysql.php(110): Zend_Db_Statement_Pdo->_execute(Array) #2 E:\xampp\htdocs\magento\app\code\core\Zend\Db\Statement.php(291): Varien_Db_Statement_Pdo_Mysql->_execute(Array) #3 E:\xampp\htdocs\magento\lib\Zend\Db\Adapter\Abstract.php(480): Zend_Db_Statement->execute(Array) #4 E:\xampp\htdocs\magento\lib\Zend\Db\Adapter\Pdo\Abstract.php(238): Zend_Db_Adapter_Abstract->query('INSERT INTO
ca...', Array) #5 E:\xampp\htdocs\magento\lib\Varien\Db\Adapter\Pdo\Mysql.php(428): Zend_Db_Adapter_Pdo_Abstract->query('INSERT INTO
ca...', Array) #6 E:\xampp\htdocs\magento\lib\Varien\Db\Adapter\Pdo\Mysql.php(1998): Varien_Db_Adapter_Pdo_Mysql in E:\xampp\htdocs\magento\lib\Zend\Db\Statement\Pdo.php on line 234