From e8f22a472c4f4ef933d837911e1f42cd1b348cd4 Mon Sep 17 00:00:00 2001
From: LorenzoFrediani-Laser <lorenzo.frediani@laser-group.com>
Date: Thu, 29 Aug 2019 21:21:45 +0200
Subject: [PATCH] Null check on method (#8271)

#8270
---
 .../Modules/Orchard.Autoroute/Services/AutorouteService.cs    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Orchard.Web/Modules/Orchard.Autoroute/Services/AutorouteService.cs b/src/Orchard.Web/Modules/Orchard.Autoroute/Services/AutorouteService.cs
index ff52a64e7..dbbb46979 100644
--- a/src/Orchard.Web/Modules/Orchard.Autoroute/Services/AutorouteService.cs
+++ b/src/Orchard.Web/Modules/Orchard.Autoroute/Services/AutorouteService.cs
@@ -180,7 +180,9 @@ namespace Orchard.Autoroute.Services {
         }
 
         public void RemoveAliases(AutoroutePart part) {
-            _aliasService.Delete(part.Path, AliasSource);
+            if (part != null) {
+                _aliasService.Delete(part.Path, AliasSource);
+            }
         }
 
         public string GenerateUniqueSlug(AutoroutePart part, IEnumerable<string> existingPaths) {