InternalError: Assigned device '/job:worker/replica:0/task:0/device:TPU:0' does not have registered OpKernel support for _Arg [[{{node iterator_2}}]] [Op:__inference_train_function_15262]

tpu = tf.distribute.cluster_resolver.TPUClusterResolver()  # TPU detection
print('Running on TPU ', tpu.cluster_spec().as_dict()['worker'])

tf.config.experimental_connect_to_cluster(tpu)
tf.tpu.experimental.initialize_tpu_system(tpu)
strategy = tf.distribute.experimental.TPUStrategy(tpu)

print("REPLICAS: ", strategy.num_replicas_in_sync)