The Example Notebook.ipynb doesn't run

[Pacman1984]

InvalidArgumentError: 2 root error(s) found.
  (0) Invalid argument:  indices[0,0] = 3 is not in [0, 3)
	 [[node functional_1/embedding_4/embedding_lookup (defined at *\lib\site-packages\categorical_embedder\__init__.py:175) ]]
  (1) Invalid argument:  indices[0,0] = 3 is not in [0, 3)
	 [[node functional_1/embedding_4/embedding_lookup (defined at *\lib\site-packages\categorical_embedder\__init__.py:175) ]]
	 [[functional_1/embedding_4/embedding_lookup/_42]]
0 successful operations.
0 derived errors ignored. [Op:__inference_train_function_1543]

Errors may have originated from an input operation.
Input Source operations connected to node functional_1/embedding_4/embedding_lookup:
 functional_1/embedding_4/embedding_lookup/1048 (defined at *\lib\contextlib.py:113)

Input Source operations connected to node functional_1/embedding_4/embedding_lookup:
 functional_1/embedding_4/embedding_lookup/1048 (defined at *\lib\contextlib.py:113)

Function call stack:
train_function -> train_function

Best