diff --git a/DigitalData.Core.API/Assets/icon.png b/DigitalData.Core.API/Assets/icon.png
new file mode 100644
index 0000000..feac09f
Binary files /dev/null and b/DigitalData.Core.API/Assets/icon.png differ
diff --git a/DigitalData.Core.API/ControllerExtensions.cs b/DigitalData.Core.API/ControllerExtensions.cs
index e64514f..7fc8eb2 100644
--- a/DigitalData.Core.API/ControllerExtensions.cs
+++ b/DigitalData.Core.API/ControllerExtensions.cs
@@ -33,15 +33,13 @@ namespace DigitalData.Core.API
         /// <param name="message">Optional. A custom error message to include in the response.</param>
         /// /// <param name="messageKey">Optional. A custom error message key to include in the response.</param>
         /// <returns>An ObjectResult representing an internal server error (status code 500).</returns>
-        public static ObjectResult InnerServiceError(this ControllerBase controllerBase, Exception? ex = null, string? message = null, Enum? messageKey = null)
+        public static ObjectResult InnerServiceError(this ControllerBase controllerBase, Exception? ex = null, string? message = null)
         {
             var sb = new StringBuilder();
             if (ex is not null)
                 sb.AppendLine(ex.Message);
             if (message is not null)
                 sb.AppendLine(message);
-            if (messageKey is not null)
-                sb.AppendLine(messageKey.ToString());
 
             return controllerBase.StatusCode(500, sb.Length > 0 ? sb.ToString() : null);
         }
diff --git a/DigitalData.Core.API/DigitalData.Core.API.csproj b/DigitalData.Core.API/DigitalData.Core.API.csproj
index e88a1ae..e7432cf 100644
--- a/DigitalData.Core.API/DigitalData.Core.API.csproj
+++ b/DigitalData.Core.API/DigitalData.Core.API.csproj
@@ -2,9 +2,20 @@
 
   <PropertyGroup>
     <TargetFramework>net7.0</TargetFramework>
+	<IsPackable>true</IsPackable>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <OutputType>Library</OutputType>
+    <Description>This package provides a comprehensive set of API controllers and related utilities for the DigitalData.Core library. It includes generic CRUD controllers, localization extensions, middleware for security policies, and application model conventions.</Description>
+    <PackageId>DigitalData.Core.API</PackageId>
+    <Version>1.0.0</Version>
+    <Authors>Digital Data GmbH</Authors>
+    <Company>Digital Data GmbH</Company>
+    <Product>DigitalData.Core.API</Product>
+    <Copyright>Copyright 2024</Copyright>
+    <RepositoryUrl>http://git.dd:3000/AppStd/WebCoreModules.git</RepositoryUrl>
+    <PackageTags>digital data core api</PackageTags>
+    <PackageIcon>Assets\icon.png</PackageIcon>
   </PropertyGroup>
 
   <ItemGroup>
@@ -16,4 +27,12 @@
     <ProjectReference Include="..\DigitalData.Core.DTO\DigitalData.Core.DTO.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Update="Assets\icon.png">
+      <PackagePath>\</PackagePath>
+      <Pack>True</Pack>
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>
diff --git a/DigitalData.Core.API/Properties/launchSettings.json b/DigitalData.Core.API/Properties/launchSettings.json
deleted file mode 100644
index 061501c..0000000
--- a/DigitalData.Core.API/Properties/launchSettings.json
+++ /dev/null
@@ -1,12 +0,0 @@
-{
-  "profiles": {
-    "DigitalData.Core.API": {
-      "commandName": "Project",
-      "launchBrowser": true,
-      "environmentVariables": {
-        "ASPNETCORE_ENVIRONMENT": "Development"
-      },
-      "applicationUrl": "https://localhost:59445;http://localhost:59446"
-    }
-  }
-}
\ No newline at end of file