diff --git a/.editorconfig b/.editorconfig
index 0ccff01d..32c8ff96 100755
--- a/.editorconfig
+++ b/.editorconfig
@@ -6,6 +6,9 @@
 # "run cleanup": https://betterprogramming.pub/enforce-net-code-style-with-editorconfig-d2f0d79091ac
 # TODO: build real editorconfig file: https://github.com/dotnet/roslyn/blob/main/.editorconfig
 
+# Make field
+dotnet_diagnostic.IDE0044.severity = warning
+
 # Enable naming rule violation errors on build (alternative: dotnet_analyzer_diagnostic.category-Style.severity = error)
 dotnet_diagnostic.IDE1006.severity = error
 
diff --git a/.github/workflows/build-and-publish.yml b/.github/workflows/build-and-publish.yml
index a8413e61..94323bfa 100644
--- a/.github/workflows/build-and-publish.yml
+++ b/.github/workflows/build-and-publish.yml
@@ -60,8 +60,8 @@ jobs:
         run: |
           (cd src/Nexus.UI && libman restore)
           dotnet publish -c Release -o app /p:GeneratePackage=true src/Nexus/Nexus.csproj
-          python -m build --wheel --outdir artifacts/packages --no-isolation src/clients/python-client
-          python -m build --wheel --outdir artifacts/packages --no-isolation src/extensibility/python-extensibility
+          python -m build --wheel --outdir artifacts/package --no-isolation src/clients/python-client
+          python -m build --wheel --outdir artifacts/package --no-isolation src/extensibility/python-extensibility
 
       - name: Test
         run: |
@@ -90,7 +90,7 @@ jobs:
           name: artifacts
           path: |
             artifacts/*.txt
-            artifacts/packages/
+            artifacts/package/
             artifacts/images/
 
       - name: Prepare GitHub Pages
@@ -129,12 +129,12 @@ jobs:
         run: docker load --input artifacts/images/nexus_image.tar
 
       - name: Nuget package (MyGet)
-        run: dotnet nuget push 'artifacts/packages/*.nupkg' --api-key ${MYGET_API_KEY} --source https://www.myget.org/F/apollo3zehn-dev/api/v3/index.json
+        run: dotnet nuget push 'artifacts/package/*.nupkg' --api-key ${MYGET_API_KEY} --source https://www.myget.org/F/apollo3zehn-dev/api/v3/index.json
         env:
           MYGET_API_KEY: ${{ secrets.MYGET_API_KEY }}
 
       - name: Python package (MyGet)
-        run: 'for filePath in artifacts/packages/*.whl; do curl -k -X POST https://www.myget.org/F/apollo3zehn-dev/python/upload -H "Authorization: Bearer ${MYGET_API_KEY}" -F "data=@$filePath"; done'
+        run: 'for filePath in artifacts/package/*.whl; do curl -k -X POST https://www.myget.org/F/apollo3zehn-dev/python/upload -H "Authorization: Bearer ${MYGET_API_KEY}" -F "data=@$filePath"; done'
         env:
           MYGET_API_KEY: ${{ secrets.MYGET_API_KEY }}
 
@@ -179,12 +179,12 @@ jobs:
           body_path: artifacts/tag_body.txt
 
       - name: Nuget package (Nuget)
-        run: dotnet nuget push 'artifacts/packages/*.nupkg' --api-key ${NUGET_API_KEY} --source https://api.nuget.org/v3/index.json
+        run: dotnet nuget push 'artifacts/package/*.nupkg' --api-key ${NUGET_API_KEY} --source https://api.nuget.org/v3/index.json
         env:
           NUGET_API_KEY: ${{ secrets.NUGET_API_KEY }}
 
       - name: Python Package (PyPI)
-        run: twine upload artifacts/packages/*.whl -u__token__ -p"${PYPI_API_KEY}"
+        run: twine upload artifacts/package/*.whl -u__token__ -p"${PYPI_API_KEY}"
         env:
           PYPI_API_KEY: ${{ secrets.PYPI_API_KEY }}
 
diff --git a/src/Nexus/Services/DataService.cs b/src/Nexus/Services/DataService.cs
index 0a1391b9..e51d60b2 100644
--- a/src/Nexus/Services/DataService.cs
+++ b/src/Nexus/Services/DataService.cs
@@ -1,5 +1,4 @@
-using System.Buffers;
-using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations;
 using System.IO.Compression;
 using System.IO.Pipelines;
 using System.Security.Claims;
@@ -346,7 +345,7 @@ private async Task CreateFilesAsync(
             }
             catch
             {
-                cts.Cancel();
+                await cts.CancelAsync();
                 throw;
             }
         }