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Power Platform Community / Forums / Power Automate / Failed to create the O...
Power Automate
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Failed to create the OCR engine

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Posted on by 2

Subflow: Main, Action: Move mouse to text on screen (OCR)

 

Exception has been thrown by the target of an invocation.: Robin.Core.ActionException: Failed to create the OCR engine ---> System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.DllNotFoundException: Failed to find library "tesseract41.dll" for platform x64.
at InteropDotNet.LibraryLoader.LoadLibrary(String fileName, String platformName)
at InteropRuntimeImplementer.TessApiSignaturesInstance.TessApiSignaturesImplementation..ctor(LibraryLoader loader)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor)
at System.Reflection.RuntimeConstructorInfo.Invoke(BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark)
at System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes)
at System.Activator.CreateInstance(Type type, Object[] args)
at InteropDotNet.InteropRuntimeImplementer.CreateInstance[T]()
at Tesseract.Interop.TessApi.Initialize()
at Tesseract.Interop.TessApi.get_Native()
at Tesseract.TesseractEngine..ctor(String datapath, String language, EngineMode engineMode, IEnumerable`1 configFiles, IDictionary`2 initialOptions, Boolean setOnlyNonDebugVariables)
at Robin.Modules.OCR.Utilities.Variants.TesseractOCREngineFacadeToVariant..ctor(OCRTesseractLanguage language, String dataPath, String otherLanguageAbbreviation, Int32 imageWidthMultiplier, Int32 imageHeightMultiplier)
at Robin.Modules.OCR.Utilities.OCREngineFactory.Create(OCREngineSetUp ocrEngineSetUp, String language, Int32 imageHeightMultiplier, Int32 imageWidthMultiplier, String languageAbbreviation, FolderObject languageDataPath)
at Robin.Modules.OCR.Utilities.OCRActionBase.Execute(ActionContext context)
--- End of inner exception stack trace ---
at Robin.Modules.OCR.Utilities.OCRActionBase.Execute(ActionContext context)
at Robin.Modules.MouseAndKeyboard.Actions.MoveMouseToTextOnScreenWithOCRAction.Execute(ActionContext context)
at Robin.Runtime.Engine.ActionRunner.RunAction(String action, Dictionary`2 inputArguments, Dictionary`2 outputArguments, IActionStatement statement)

  • CU-18081612-2 Profile Picture
    17 on at

    Having the same issue. Anybody???

  • PetrosF-MSFT Profile Picture
    Microsoft Employee on at

    Looks like the tesseract41.dll is missing from the installation folder. You could try to install Power Automate Desktop again, and make sure the dll is not blocked by the antivirus.

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