Fatal error: Uncaught Error: Class 'Zend_Db_Select' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Db\Table\Select.php:46
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Db\Table\Select.php on line 46