Issue with brocade_fastiron & ruckus_fastiron [Netmiko Login]

[evilmonkey19]

Netmiko can enter the device correctly. However, once is connected it waits trying to read something in the enable mode:

Traceback (most recent call last):
  File ".../testing_netmiko.py", line 17, in <module>
    with ConnectHandler(**credentials) as conn:
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/ssh_dispatcher.py", line 399, in ConnectHandler
    return ConnectionClass(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/base_connection.py", line 488, in __init__
    self._open()
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/base_connection.py", line 494, in _open
    self._try_session_preparation()
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/base_connection.py", line 988, in _try_session_preparation
    self.session_preparation()
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/ruckus/ruckus_fastiron.py", line 17, in session_preparation
    self.enable()
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/ruckus/ruckus_fastiron.py", line 46, in enable
    new_data = self.read_until_prompt_or_pattern(
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/base_connection.py", line 860, in read_until_prompt_or_pattern
    return self.read_until_pattern(
           ^^^^^^^^^^^^^^^^^^^^^^^^
  File ".../versions/fakenos-3.11/lib/python3.11/site-packages/netmiko/base_connection.py", line 731, in read_until_pattern
    output = output + match_str
             ~~~~~~~^~~~~~~~~~~
TypeError: can only concatenate str (not "NoneType") to str

Please, may someone provide the output when connected to Ruckus Brocade Fastiron?