The type initializer for 'TensorFlow.TFDisposable' threw an exception.

[VinuthaRaghavendra]

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Using .net framework 4.7.1 and tensorflowsharp version of 1.15.0
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I am trying to convert image to tensor format

using createTensorFromImage
In the line -> TFTensor tensor = matrix;

I get error :
System.TypeInitializationException: The type initializer for 'TensorFlow.TFCore' threw an exception. ---> System.Exception: Exception of type 'System.Exception' was thrown.
at TensorFlow.TFCore.CheckSize()
at TensorFlow.TFCore.Init()
at TensorFlow.TFCore..cctor()
--- End of inner exception stack trace ---
at TensorFlow.TFCore.Init()
at TensorFlow.TFDisposable..cctor()

The type initializer for 'TensorFlow.TFDisposable' threw an exception.

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