Cannot assign to 'linkedCancellationTokenSource' because it is a 'using variable'

Cannot assign to 'linkedCancellationTokenSource' because it is a 'using variable'

Process completed with exit code 1.

No files were found with the provided path: /home/runner/work/monai-deploy-informatics-gateway/monai-deploy-informatics-gateway/LivingDoc.html /home/runner/work/monai-deploy-informatics-gateway/monai-deploy-informatics-gateway/services.log /home/runner/work/monai-deploy-informatics-gateway/monai-deploy-informatics-gateway/run.log. No artifacts will be uploaded.

This async method lacks 'await' operators and will run synchronously. Consider using the 'await' operator to await non-blocking API calls, or 'await Task.Run(...)' to do CPU-bound work on a background thread.