typeError: ('Keyword argument not understood:', 'num_routing')

[MED-YAHYAOUI]

i have runned the code and i have the following error,
please can u help me to fix it , i have intention to use this model to generate forge signature in order to balance my data ,
im working on a signature forgery detector and all i have is genuins signature

File "C:\Users\tpmme\anaconda3\envs\Python3.6Test\lib\site-packages\keras\utils\generic_utils.py", line 1143, in validate_kwargs
raise TypeError(error_message, kwarg)
TypeError: ('Keyword argument not understood:', 'num_routing')