diff --git a/app/Http/Controllers/BarCodeController.php b/app/Http/Controllers/BarCodeController.php
index 1575cf5f..bcfe9781 100644
--- a/app/Http/Controllers/BarCodeController.php
+++ b/app/Http/Controllers/BarCodeController.php
@@ -9,9 +9,13 @@ class BarCodeController extends Controller
 {
     public function generateBarcode($Number)
     {
-        // $Barcode = DNS1D::getBarcodePNGUri($Number, "C128");
-        $Barcode = DNS1D::getBarcodePNG($Number, "C128");
-        $QRCode  = DNS2D::getBarcodePNG($Number, "QRCODE");
-        return \MessageResponse::data(['Barcode' => 'data:image/png;base64,' .$Barcode, 'QRCode' => 'data:image/png;base64,' .$QRCode]);
+        if($Number != "undefined")
+        {
+            // $Barcode = DNS1D::getBarcodePNGUri($Number, "C128");
+            $Barcode = DNS1D::getBarcodePNG($Number, "C128");
+            $QRCode  = DNS2D::getBarcodePNG($Number, "QRCODE");
+            return \MessageResponse::data(['Barcode' => 'data:image/png;base64,' .$Barcode, 'QRCode' => 'data:image/png;base64,' .$QRCode]);
+        }
+        
     }
 }
\ No newline at end of file