Catch packet errors and display a nice error

app/Http/Controllers/HomeController.php

@@ -43,7 +43,13 @@ class HomeController extends Controller
 					continue;
 
 				foreach ($filegroup as $file) {
-					$pkt = new Packet($file);
+					try {
+						$pkt = new Packet($file);
+
+					} catch (\Exception $e) {
+						return redirect()->back()->withErrors($e->getMessage());
+					}
+
 					break;
 				}
 			}