From 26b8236eead4d6f0f373753718e4f8a8ff0e3e53 Mon Sep 17 00:00:00 2001
From: Shannon <sdeminick@gmail.com>
Date: Tue, 16 May 2017 16:09:01 +1000
Subject: [PATCH] fixes user query relator

---
 src/Umbraco.Core/Persistence/Relators/UserGroupRelator.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Umbraco.Core/Persistence/Relators/UserGroupRelator.cs b/src/Umbraco.Core/Persistence/Relators/UserGroupRelator.cs
index 7a52f710a4..0d9b1d5552 100644
--- a/src/Umbraco.Core/Persistence/Relators/UserGroupRelator.cs
+++ b/src/Umbraco.Core/Persistence/Relators/UserGroupRelator.cs
@@ -62,13 +62,17 @@ namespace Umbraco.Core.Persistence.Relators
                     //add the current (new) group
                     _currentUser.UserGroupDtos.Add(group);
                 }
-
+                
                 AddSection(section);
             }
         }
 
         private void AddSection(UserGroup2AppDto section)
         {
+            //this can be null since we are left joining
+            if (section == null || section.AppAlias.IsNullOrWhiteSpace())
+                return;
+
             var latestGroup = _currentUser.UserGroupDtos.Count > 0
                 ? _currentUser.UserGroupDtos[_currentUser.UserGroupDtos.Count - 1]
                 : null;