From cacfbecf000a94a876ac3579260be739c99ba641 Mon Sep 17 00:00:00 2001
From: Sebastian <sebastian@squidex.io>
Date: Mon, 6 Dec 2021 15:38:31 +0100
Subject: [PATCH] Fix null refs.

---
 .../Tags/TagsExport.cs                                | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/backend/src/Squidex.Domain.Apps.Core.Operations/Tags/TagsExport.cs b/backend/src/Squidex.Domain.Apps.Core.Operations/Tags/TagsExport.cs
index 677503694..3b894d621 100644
--- a/backend/src/Squidex.Domain.Apps.Core.Operations/Tags/TagsExport.cs
+++ b/backend/src/Squidex.Domain.Apps.Core.Operations/Tags/TagsExport.cs
@@ -7,9 +7,9 @@
 
 namespace Squidex.Domain.Apps.Core.Tags
 {
-    public class TagsExport
+    public sealed class TagsExport
     {
-        public Dictionary<string, Tag> Tags { get; set; }
+        public Dictionary<string, Tag>? Tags { get; set; }
 
         public Dictionary<string, string>? Alias { get; set; }
 
@@ -22,7 +22,12 @@ namespace Squidex.Domain.Apps.Core.Tags
                 alias = new Dictionary<string, string>(Alias);
             }
 
-            var tags = new Dictionary<string, Tag>(Tags);
+            var tags = (Dictionary<string, Tag>?)null;
+
+            if (Tags != null)
+            {
+                tags = new Dictionary<string, Tag>(Tags);
+            }
 
             return new TagsExport { Alias = alias, Tags = tags };
         }