How to troubleshoot in .NET Smart Data Extractor

16 Aug 20262 minutes to read

ONNX file missing

Exception ONNX files are missing
Reason The required ONNX model files are not copied into the application's build output.
Solution Ensure that the runtimes folder is copied properly to the bin folder of the application from the NuGet package location.

Please refer to the screenshots below:

Smart Data Extractor:
Runtime folder

Smart Table Extractor:
Runtime folder

Note: If you publish your application, ensure the runtimes/models folder and ONNX files are included in the publish output.

System.TypeInitializationException / FileNotFoundException – Microsoft.ML.ONNXRuntime

Exception 1. System.TypeInitializationException
2. FileNotFoundException (Microsoft.ML.ONNXRuntime)
Reason The required Microsoft.ML.ONNXRuntime NuGet package is not installed in your project. SmartDataExtractor depends on this package and its required assemblies to function properly.
Solution Install the NuGet package Microsoft.ML.ONNXRuntime (Version 1.18.0) manually in your sample/project.
This package is required for SmartDataExtractor across .NET Framework projects.

ONNXRuntimeException – Model File Not Found in MVC Project

Exception Microsoft.ML.ONNXRuntime.ONNXRuntimeException
Reason The required native runtime library (ONNXRuntime.dll) is missing from your application's bin folder.
Solution In your MVC project file (.csproj), add the following build target to copy the native DLL from the NuGet package folder to the bin folder: 
<Target Name="CopyonnxRuntimeDll" AfterTargets="Build">
      <Copy
          SourceFiles="$(SolutionDir)packages\Microsoft.ML.ONNXRuntime.1.18.0\runtimes\win-x64\native\ONNXRuntime.dll"
          DestinationFolder="$(OutDir)"
          SkipUnchangedFiles="true" />
    </Target>