[Python] errors while saving lstm model in .h5 format as well as .keras format

I'm creating a lstm model that will detect ddos attack in a sdn environment and while saving the model in .h5 format I'm getting this error

ValueError: Unrecognized keyword arguments: ['batch_shape']
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even when I didn't use batch_shape in my code, so I then saved my model as .keras format but again getting an error message

OSError: Unable to synchronously open file (file signature not found)
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The image is how I'm defining my model

I'm using Python 3.9 and tensorflow 2.11.0 and keras 2.11.0.

How can I resolve my problem?

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