FreeNAS

TypeError: '>' not supported between instances of 'NoneType' and 'NoneType'
  File "middlewared/main.py", line 155, in call_method
    result = await self.middleware.call_method(self, message)
  File "middlewared/main.py", line 1033, in call_method
    return await self._call(message['method'], serviceobj, methodobj, params, app=app, io_thread=False)
  File "middlewared/main.py", line 987, in _call
    return await run_method(methodobj, *args)
  File "middlewared/main.py", line 925, in _run_in_conn_threadpool
    return await self.run_in_executor(self.__threadpool, method, *args, **kwargs)
  File "middlewared/main.py", line 913, in run_in_executor
    return await loop.run_in_executor(pool, functools.partial(method, *args, **kwargs))
  File "concurrent/futures/thread.py", line 56, in run
    result = self.fn(*self.args, **self.kwargs)
  File "middlewared/schema.py", line 668, in nf
    return f(*args, **kwargs)
  File "plugins/crypto.py", line 930, in ca_sign_csr
    return self.__ca_sign_csr(data)
  File "middlewared/schema.py", line 668, in nf
    return f(*args, **kwargs)
  File "plugins/crypto.py", line 987, in __ca_sign_csr
    ca_data['id']
  File "middlewared/main.py", line 1063, in call_sync
    return fut.result()
  File "concurrent/futures/_base.py", line 425, in result
    return self.__get_result()
  File "concurrent/futures/_base.py", line 384, in __get_result
    raise self._exception
  File "middlewared/main.py", line 973, in _call
    return await methodobj(*args)
  File "plugins/crypto.py", line 845, in get_serial_for_certificate
    return max(ca_signed_certs) + 1

ca_id    
2
ca_signed_certs    
[
None, 
None, 
None, 
None, 
None, 
None, 
None, 
None, 
None, 
None, 
7
]

    
{
'id': '05191dfe-491b-2b9e-64ee-229f02b8b156', 
'method': 'certificateauthority.ca_sign_csr', 
'msg': 'method', 
'params': [
{
'ca_id': 2, 
'csr_cert_id': 8, 
'name': 'ctrl.secure.lan'
}
]
}

https://sentry.ixsystems.com/ixsystems/freenas-middleware/issues/15843/