AttributeError: module 'keras.saving' has no attribute 'register_keras_serializable'

[PhD-GOAT]

The following error appears when import keras_nlp.

File ~\Desktop\venv\lib\site-packages\keras_nlp\src\api_export.py:27, in maybe_register_serializable(symbol)
25 def maybe_register_serializable(symbol):
26 if isinstance(symbol, types.FunctionType) or hasattr(symbol, "get_config"):
---> 27 keras.saving.register_keras_serializable(package="keras_nlp")(symbol)

AttributeError: module 'keras.saving' has no attribute 'register_keras_serializable'