2 files changed, 20 insertions, 13 deletions
diff --git a/Emby.Server.Implementations/Playlists/PlaylistManager.cs b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
index 932f721ab..b07798fa4 100644
--- a/Emby.Server.Implementations/Playlists/PlaylistManager.cs
+++ b/Emby.Server.Implementations/Playlists/PlaylistManager.cs
@@ -1,3 +1,5 @@
+#nullable disable
+
 #pragma warning disable CS1591
 
 using System;
@@ -145,7 +147,7 @@ namespace Emby.Server.Implementations.Playlists
 
                 playlist.SetMediaType(options.MediaType);
 
-                parentFolder.AddChild(playlist, CancellationToken.None);
+                parentFolder.AddChild(playlist);
 
                 await playlist.RefreshMetadata(new MetadataRefreshOptions(new DirectoryService(_fileSystem)) { ForceSave = true }, CancellationToken.None)
                     .ConfigureAwait(false);
@@ -215,7 +217,7 @@ namespace Emby.Server.Implementations.Playlists
 
             // Create a list of the new linked children to add to the playlist
             var childrenToAdd = newItems
-                .Select(i => LinkedChild.Create(i))
+                .Select(LinkedChild.Create)
                 .ToList();
 
             // Log duplicates that have been ignored, if any
@@ -258,7 +260,7 @@ namespace Emby.Server.Implementations.Playlists
 
         public async Task RemoveFromPlaylistAsync(string playlistId, IEnumerable<string> entryIds)
         {
-            if (!(_libraryManager.GetItemById(playlistId) is Playlist playlist))
+            if (_libraryManager.GetItemById(playlistId) is not Playlist playlist)
             {
                 throw new ArgumentException("No Playlist exists with the supplied Id");
             }
@@ -291,7 +293,7 @@ namespace Emby.Server.Implementations.Playlists
 
         public async Task MoveItemAsync(string playlistId, string entryId, int newIndex)
         {
-            if (!(_libraryManager.GetItemById(playlistId) is Playlist playlist))
+            if (_libraryManager.GetItemById(playlistId) is not Playlist playlist)
             {
                 throw new ArgumentException("No Playlist exists with the supplied Id");
             }
diff --git a/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs b/Emby.Server.Implementations/Playlists/PlaylistsFolder.cs
index 358606b0d..8b1cee89d 100644
--- a/Emby.Server.Implementations/Playlists/ManualPlaylistsFolder.cs
+++ b/Emby.Server.Implementations/Playlists/PlaylistsFolder.cs
@@ -17,6 +17,15 @@ namespace Emby.Server.Implementations.Playlists
             Name = "Playlists";
         }
 
+        [JsonIgnore]
+        public override bool IsHidden => true;
+
+        [JsonIgnore]
+        public override bool SupportsInheritedParentImages => false;
+
+        [JsonIgnore]
+        public override string CollectionType => MediaBrowser.Model.Entities.CollectionType.Playlists;
+
         public override bool IsVisible(User user)
         {
             return base.IsVisible(user) && GetChildren(user, true).Any();
@@ -27,15 +36,6 @@ namespace Emby.Server.Implementations.Playlists
             return base.GetEligibleChildrenForRecursiveChildren(user).OfType<Playlist>();
         }
 
-        [JsonIgnore]
-        public override bool IsHidden => true;
-
-        [JsonIgnore]
-        public override bool SupportsInheritedParentImages => false;
-
-        [JsonIgnore]
-        public override string CollectionType => MediaBrowser.Model.Entities.CollectionType.Playlists;
-
         protected override QueryResult<BaseItem> GetItemsInternal(InternalItemsQuery query)
         {
             if (query.User == null)
@@ -49,5 +49,10 @@ namespace Emby.Server.Implementations.Playlists
             query.Parent = null;
             return LibraryManager.GetItemsResult(query);
         }
+
+        public override string GetClientTypeName()
+        {
+            return "ManualPlaylistsFolder";
+        }
     }
 }