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Runtime error

• "sklearn.preprocessing._encoders.OneHotEncoder",
• "numpy.dtype",
• "numpy.ndarray",
• "_codecs.encode",
• "sklearn.compose._column_transformer.ColumnTransformer",
• "joblib.numpy_pickle.NumpyArrayWrapper",
• "numpy.float64",
• "numpy.core.multiarray._reconstruct",
• "sklearn.pipeline.Pipeline",
• "sklearn.preprocessing._data.StandardScaler"

How to fix it?