Fatal error: Uncaught Error: Class 'Zend_Barcode_Object_Ean5' not found in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Barcode\Object\Ean2.php:41 Stack trace: #0 {main} thrown in C:\MANTUM\xampp2\htdocs\MNT\ventasvariables2\libreria\Zend\Barcode\Object\Ean2.php on line 41