Nextcloud on TrueNAS 25.04.1 Community Edition Installation Failed : Docker service not running

Hello all,
I am very new to TrueNAS.

My version of TrueNAS is 25.04.1

I have been trying to install Nextcloud App Version 31.0.7 (Version 2.0.10) after creating the necessary data sets with permissions.

Installation fails with a message : [EFAULT] Docker service is not running

On clicking the "More info " tab , I get the following information :

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/middlewared/job.py", line 515, in run
    await self.future
  File "/usr/lib/python3/dist-packages/middlewared/job.py", line 562, in __run_body
    rv = await self.middleware.run_in_thread(self.method, *args)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 622, in run_in_thread
    return await self.run_in_executor(io_thread_pool_executor, method, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 619, in run_in_executor
    return await loop.run_in_executor(pool, functools.partial(method, *args, **kwargs))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/concurrent/futures/thread.py", line 58, in run
    result = self.fn(*self.args, **self.kwargs)
             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/service/crud_service.py", line 294, in nf
    rv = func(*args, **kwargs)
         ^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/api/base/decorator.py", line 101, in wrapped
    result = func(*args)
             ^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/plugins/apps/crud.py", line 124, in do_create
    self.middleware.call_sync('docker.state.validate')
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1025, in call_sync
    return self.run_coroutine(methodobj(*prepared_call.args))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/middlewared/main.py", line 1065, in run_coroutine
    return fut.result()
           ^^^^^^^^^^^^
  File "/usr/lib/python3.11/concurrent/futures/_base.py", line 449, in result
    return self.__get_result()
           ^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/concurrent/futures/_base.py", line 401, in __get_result
    raise self._exception
  File "/usr/lib/python3/dist-packages/middlewared/plugins/docker/state_management.py", line 99, in validate
    raise CallError(error_str)
middlewared.service_exception.CallError: [EFAULT] Docker service is not running

Please advise.
Thanks in advance.