Hi, i am using Tapin faucet to set up a testnet  but i get this error when i am trying to create a account

Message: 'Traceback (most recent call last):\n  File "/home/luks/bitshares/tapin/app/views.py", line 92, in tapbasic\n    additional_active_keys=config.get("additional_active_keys", []),\n  File "/home/luks/bitshares/tapin/src/bitshares/bitshares/bitshares.py", line 561, in create_account\n    active_key, prefix=self.prefix)\n  File "/home/luks/bitshares/tapin/src/bitshares/bitsharesbase/account.py", line 84, in __init__\n    super(PublicKey, self).__init__(*args, **kwargs)\n  File "/usr/local/lib/python3.5/dist-packages/graphenebase/account.py", line 216, in __init__\n    self._pk = Base58(pk, prefix=prefix)\n  File "/usr/local/lib/python3.5/dist-packages/graphenebase/base58.py", line 61, in __init__\n    raise ValueError("Error loading Base58 object")\nValueError: Error loading Base58 object\n'
Arguments: ()
2018-03-18 18:44:56,214 - app - ERROR - Traceback (most recent call last):
  File "/home/luks/bitshares/tapin/app/views.py", line 92, in tapbasic
    additional_active_keys=config.get("additional_active_keys", []),
  File "/home/luks/bitshares/tapin/src/bitshares/bitshares/bitshares.py", line 561, in create_account
    active_key, prefix=self.prefix)
  File "/home/luks/bitshares/tapin/src/bitshares/bitsharesbase/account.py", line 84, in __init__
    super(PublicKey, self).__init__(*args, **kwargs)
  File "/usr/local/lib/python3.5/dist-packages/graphenebase/account.py", line 216, in __init__
    self._pk = Base58(pk, prefix=prefix)
  File "/usr/local/lib/python3.5/dist-packages/graphenebase/base58.py", line 61, in __init__
    raise ValueError("Error loading Base58 object")
ValueError: Error loading Base58 object

127.0.0.1 - - [18/Mar/2018 18:44:56] "POST /api/v1/accounts HTTP/1.1" 200 -



Any help please