From 3e31560f405f703ac7df1eabf7299317f6a92d3e Mon Sep 17 00:00:00 2001
From: Sebastian <sebastian@squidex.io>
Date: Thu, 5 Mar 2020 08:16:46 +0100
Subject: [PATCH] Just another check.

---
 backend/src/Squidex.Domain.Apps.Entities/Backup/RestoreGrain.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/src/Squidex.Domain.Apps.Entities/Backup/RestoreGrain.cs b/backend/src/Squidex.Domain.Apps.Entities/Backup/RestoreGrain.cs
index 2831fda7b..f40e9e813 100644
--- a/backend/src/Squidex.Domain.Apps.Entities/Backup/RestoreGrain.cs
+++ b/backend/src/Squidex.Domain.Apps.Entities/Backup/RestoreGrain.cs
@@ -334,7 +334,7 @@ namespace Squidex.Domain.Apps.Entities.Backup
                 await CreateContextAsync(reader);
             }
 
-            if (@event.Payload is SquidexEvent squidexEvent)
+            if (@event.Payload is SquidexEvent squidexEvent && squidexEvent.Actor != null)
             {
                 if (restoreContext.UserMapping.TryMap(squidexEvent.Actor, out var newUser))
                 {