Fatal error: Uncaught Error: Interface 'Zend_Pdf_Canvas_Interface' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Pdf\Canvas\Abstract.php:47
Stack trace:
#0 {main}
  thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Pdf\Canvas\Abstract.php on line 47