Fatal error: Uncaught Error: Class 'Zend_Db_Statement_Pdo' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Db\Statement\Pdo\Oci.php:40 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Db\Statement\Pdo\Oci.php on line 40