ERROR when converting tensorflow model to IR

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ERROR when converting tensorflow model to IR

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I am trying to convert the tensorflow ICNet model https://github.com/hellochick/ICNet-tensorflow using the following command,

python mo_tf.py --input_model model.pb --data_type FP16

It generates the following error

[ ERROR ] Graph contains 0 node after executing <class 'extensions.front.output_cut.OutputCut'>. It considered as error because resulting IR will be empty which is not usual
Exception occurred during running replacer "REPLACEMENT_ID" (<class 'extensions.front.output_cut.OutputCut'>): Graph contains 0 node after executing <class 'extensions.front.output_cut.OutputCut'>. It considered as error because resulting IR will be empty which is not usual

Before converting ,I have followed the guides https://docs.openvinotoolkit.org/latest/_docs_MO_DG_prepare_model_convert_model_Convert_Model_From_TensorFlow.html#freeze-the-tensorflow-model to freezing the data and saved as model.pb.

Please advise .Thanks.

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