Fatal error: Uncaught Error: Interface 'Zend_Feed_Writer_Extension_RendererInterface' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Feed\Writer\Extension\RendererAbstract.php:33
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Feed\Writer\Extension\RendererAbstract.php on line 33