Keras Network Learner ERROR -RuntimeError: Failed to save Keras deep learning network |windows 11

Hi,
I use Knime on Wondows 11. I’m a beginner and I received the following error when executing a workflow.

2023-09-04 06:35:36,021 : ERROR : KNIME-Worker-8-Keras Network Learner 3:4 : : Node : Keras Network Learner : 3:4 : Execute failed: An error occurred while creating the Keras network from its layer specifications. Details:
Failed to save Keras deep learning network.
Traceback (most recent call last):
File “”, line 3, in
File “F:\Tech\Python\Programs\Knime_5.1.0_\KNIME\plugins\org.knime.dl.keras_5.1.0.v202303061416\py\DLKerasNetwork.py”, line 235, in save
raise RuntimeError(‘Failed to save Keras deep learning network.’) from e
RuntimeError: Failed to save Keras deep learning network.

Duplicate of How do I change the default path to another path?