Fatal error: Uncaught Error: Class 'Zend_Form' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\Form\SubForm.php:33
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\Form\SubForm.php on line 33