Fatal error: Uncaught Error: Interface 'Zend_Tool_Framework_Loader_Interface' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\Tool\Framework\Loader\Abstract.php:39 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables\libreria\Zend\Tool\Framework\Loader\Abstract.php on line 39