目前我遇到了这个错误，有人可以帮忙解决吗？
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OperatorNotAllowedInGraphError Traceback (most recent call last)
<ipython-input-24-0211c82920d0> in <module>
7 warnings.filterwarnings("ignore")
8 model.train(dataset_train,dataset_val, learning_rate=config.LEARNING_RATE,epochs=5,
----> 9 layers='heads')
/kaggle/working/maskrcnn/Mask_RCNN-master/mrcnn/model.py in train(self, train_dataset, val_dataset, learning_rate, epochs, layers, augmentation, custom_callbacks, no_augmentation_sources)
2355 log("Checkpoint Path: {}".format(self.checkpoint_path))
2356 self.set_trainable(layers)
-> 2357 self.compile(learning_rate, self.config.LEARNING_MOMENTUM)
2358
2359 # Work-around for Windows: Keras fails on Windows when using
/kaggle/working/maskrcnn/Mask_RCNN-master/mrcnn/model.py in compile(self, learning_rate, momentum)
2168 for name in loss_names:
2169 layer = self.keras_model.get_layer(name)
-> 2170 if layer.output in self.keras_model.losses:
2171 continue
2172 loss = (
/opt/conda/lib/python3.6/site-packages/tensorflow_core/python/framework/ops.py in …