Fatal error: Uncaught Error: Class "Zend_Barcode_Object_Postnet" not found in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1\library\Zend\Barcode\Object\Planet.php:31 Stack trace: #0 {main} thrown in C:\SHC\xampp\htdocs\shc_mobile_backend\vendor\diablomedia\zendframework1\library\Zend\Barcode\Object\Planet.php on line 31