diff --git a/app/MindWork AI Studio/Assistants/Builder/LuaResponse.Parse.cs b/app/MindWork AI Studio/Assistants/Builder/LuaResponse.Parse.cs
index 0a287a2b..55891ed9 100644
--- a/app/MindWork AI Studio/Assistants/Builder/LuaResponse.Parse.cs	
+++ b/app/MindWork AI Studio/Assistants/Builder/LuaResponse.Parse.cs	
@@ -74,7 +74,6 @@ internal sealed partial class LuaResponse
 
         if (string.IsNullOrWhiteSpace(this.Plugin.Name) ||
             string.IsNullOrWhiteSpace(this.Plugin.Description) ||
-            this.Plugin.Categories is null ||
             this.Plugin.Categories.Length == 0 ||
             this.Plugin.Categories.Any(string.IsNullOrWhiteSpace))
         {
diff --git a/app/MindWork AI Studio/Tools/Services/AssistantPluginInstallService.cs b/app/MindWork AI Studio/Tools/Services/AssistantPluginInstallService.cs
index 3b71cdaf..a986d0b2 100644
--- a/app/MindWork AI Studio/Tools/Services/AssistantPluginInstallService.cs	
+++ b/app/MindWork AI Studio/Tools/Services/AssistantPluginInstallService.cs	
@@ -186,7 +186,7 @@ public sealed class AssistantPluginInstallService
                 return AssistantPluginValidationResult.Error($"The generated assistant plugin is invalid. Issue: {string.Join("; ", assistantPlugin.Issues)}");
             }
 
-            if (PluginFactory.AvailablePlugins.Any(plugin => plugin.Type is PluginType.ASSISTANT && plugin.Id == assistantPlugin.Id && plugin.IsInternal))
+            if (PluginFactory.AvailablePlugins.Any(availablePlugin => availablePlugin.Type is PluginType.ASSISTANT && availablePlugin.Id == assistantPlugin.Id && availablePlugin.IsInternal))
             {
                 this.TryDeleteStagingDirectory(stagingDirectory);
                 return AssistantPluginValidationResult.Error("The generated assistant plugin uses the ID of an internal AI Studio plugin.");
@@ -300,4 +300,4 @@ public sealed class AssistantPluginInstallService
     {
         public static AssistantPluginValidationResult Error(string issue) => new(false, string.Empty, null, issue);
     }
-}
+}
\ No newline at end of file