2 files changed, 15 insertions, 3 deletions
diff --git a/Jellyfin.Server/Migrations/Routines/MigrateDisplayPreferencesDb.cs b/Jellyfin.Server/Migrations/Routines/MigrateDisplayPreferencesDb.cs
index b15ccf01e..7f57358ec 100644
--- a/Jellyfin.Server/Migrations/Routines/MigrateDisplayPreferencesDb.cs
+++ b/Jellyfin.Server/Migrations/Routines/MigrateDisplayPreferencesDb.cs
@@ -81,6 +81,11 @@ namespace Jellyfin.Server.Migrations.Routines
                 foreach (var result in results)
                 {
                     var dto = JsonSerializer.Deserialize<DisplayPreferencesDto>(result[3].ToString(), _jsonOptions);
+                    if (dto == null)
+                    {
+                        continue;
+                    }
+
                     var chromecastVersion = dto.CustomPrefs.TryGetValue("chromecastVersion", out var version)
                         ? chromecastDict[version]
                         : ChromecastVersion.Stable;
diff --git a/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs b/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs
index 274e6ab73..74c550331 100644
--- a/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs
+++ b/Jellyfin.Server/Migrations/Routines/MigrateUserDb.cs
@@ -1,5 +1,7 @@
 using System;
+using System.Globalization;
 using System.IO;
+using System.Linq;
 using Emby.Server.Implementations.Data;
 using Emby.Server.Implementations.Serialization;
 using Jellyfin.Data.Entities;
@@ -74,7 +76,12 @@ namespace Jellyfin.Server.Migrations.Routines
 
                 foreach (var entry in queryResult)
                 {
-                    UserMockup mockup = JsonSerializer.Deserialize<UserMockup>(entry[2].ToBlob(), JsonDefaults.GetOptions());
+                    UserMockup? mockup = JsonSerializer.Deserialize<UserMockup>(entry[2].ToBlob(), JsonDefaults.GetOptions());
+                    if (mockup == null)
+                    {
+                        continue;
+                    }
+
                     var userDataDir = Path.Combine(_paths.UserConfigurationDirectoryPath, mockup.Name);
 
                     var config = File.Exists(Path.Combine(userDataDir, "config.xml"))
@@ -161,9 +168,9 @@ namespace Jellyfin.Server.Migrations.Routines
                     }
 
                     user.SetPreference(PreferenceKind.BlockedTags, policy.BlockedTags);
-                    user.SetPreference(PreferenceKind.EnabledChannels, policy.EnabledChannels);
+                    user.SetPreference(PreferenceKind.EnabledChannels, policy.EnabledChannels?.Select(i => i.ToString("N", CultureInfo.InvariantCulture)).ToArray());
                     user.SetPreference(PreferenceKind.EnabledDevices, policy.EnabledDevices);
-                    user.SetPreference(PreferenceKind.EnabledFolders, policy.EnabledFolders);
+                    user.SetPreference(PreferenceKind.EnabledFolders, policy.EnabledFolders?.Select(i => i.ToString("N", CultureInfo.InvariantCulture)).ToArray());
                     user.SetPreference(PreferenceKind.EnableContentDeletionFromFolders, policy.EnableContentDeletionFromFolders);
                     user.SetPreference(PreferenceKind.OrderedViews, config.OrderedViews);
                     user.SetPreference(PreferenceKind.GroupedFolders, config.GroupedFolders);