KeyError on clicking predict

[Bhuvan1601]

Traceback (most recent call last):
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\django\core\handlers\exception.py", line 47, in inner
response = get_response(request)
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\django\core\handlers\base.py", line 181, in _get_response
response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\django\contrib\auth\decorators.py", line 21, in _wrapped_view
return view_func(request, *args, **kwargs)
File "C:\Users\Lenovo\OneDrive\Desktop\Heart-and-Kidney-disease-prediction-Django-master\predict_risk\views.py", line 32, in PredictRisk
SVCClassifier,LogisticRegressionClassifier,NaiveBayesClassifier,DecisionTreeClassifier,NeuralNetworkClassifier,KNNClassifier=GetAllClassifiersForHeart()
File "C:\Users\Lenovo\OneDrive\Desktop\Heart-and-Kidney-disease-prediction-Django-master\predict_risk\data_provider.py", line 32, in GetAllClassifiersForHeart
return (GetSVCClassifierForHeart(),GetLogisticRegressionClassifierForHeart(),GetNaiveBayesClassifierForHeart(),GetDecisionTreeClassifierForHeart(),GetDeepLearningClassifierForHeart(),GetKNNClassifierForHeart())
File "C:\Users\Lenovo\OneDrive\Desktop\Heart-and-Kidney-disease-prediction-Django-master\predict_risk\data_provider.py", line 35, in GetSVCClassifierForHeart
return GetJobLibFile(config['heart']['SVC'])
File "C:\Users\Lenovo\OneDrive\Desktop\Heart-and-Kidney-disease-prediction-Django-master\predict_risk\data_provider.py", line 20, in GetJobLibFile
return joblib.load(os.path.join(dir, filepath))
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\joblib\numpy_pickle.py", line 587, in load
obj = _unpickle(fobj, filename, mmap_mode)
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python36\lib\site-packages\joblib\numpy_pickle.py", line 506, in _unpickle
obj = unpickler.load()
File "C:\Users\Lenovo\AppData\Local\Programs\Python\Python36\lib\pickle.py", line 1050, in load
dispatchkey[0]

Exception Type: KeyError at /predict/15
Exception Value: 0