Error while loading model

Please help me out to fix the model loading issue!

File "/home/appuser/venv/lib/python3.9/site-packages/streamlit/script_runner.py", line 337, in _run_script
    exec(code, module.__dict__)
  File "/app/dr-web-app/image_predictor.py", line 19, in <module>
    Fundus_covid19 =  tf.keras.models.load_model("DR_VGG19_new.h5")
  File "/home/appuser/venv/lib/python3.9/site-packages/keras/utils/traceback_utils.py", line 67, in error_handler
    raise e.with_traceback(filtered_tb) from None
  File "/home/appuser/venv/lib/python3.9/site-packages/keras/utils/generic_utils.py", line 562, in class_and_config_for_serialized_keras_object
    raise ValueError(
ValueError: Unknown metric function: Addons>CohenKappa. Please ensure this object is passed to the `custom_objects` argument