Cant backup ZHA Coordinator

Hi,

i sadly cant backup my Zigbee Coordinator via ZHA. I get the error in the log and my opened HA website tells me a Timeout Error.

I use a ZB Coordinator from TubesZB with Ethernet.
(CC2652P2 based Zigbee to Ethernet/USB Serial Coordinator – TubesZB)

The HA Core Logs list this error:

Logger: homeassistant.helpers.script.websocket_api_script
Source: helpers/script.py:468
First occurred: 02:04:18 (1 occurrences)
Last logged: 02:04:18

websocket_api script: Error executing script. Unexpected error for call_service at pos 1:
Traceback (most recent call last):
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/api.py", line 1028, in request
    response = await response_future
               ^^^^^^^^^^^^^^^^^^^^^
asyncio.exceptions.CancelledError

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 468, in _async_step
    await getattr(self, handler)()
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 704, in _async_call_service_step
    response_data = await self._async_run_long_action(
                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/helpers/script.py", line 666, in _async_run_long_action
    return long_task.result()
           ^^^^^^^^^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/core.py", line 2012, in async_call
    response_data = await coro
                    ^^^^^^^^^^
  File "/usr/src/homeassistant/homeassistant/core.py", line 2049, in _execute_service
    return await target(service_call)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/zha_toolkit/__init__.py", line 816, in toolkit_service
    raise handler_exception
  File "/config/custom_components/zha_toolkit/__init__.py", line 780, in toolkit_service
    handler_result = await handler(
                     ^^^^^^^^^^^^^^
  File "/config/custom_components/zha_toolkit/__init__.py", line 882, in command_handler_default
    return await default.default(
           ^^^^^^^^^^^^^^^^^^^^^^
  File "/config/custom_components/zha_toolkit/default.py", line 40, in default
    await handler(app, listener, ieee, cmd, data, service, params, event_data)
  File "/config/custom_components/zha_toolkit/misc.py", line 37, in backup
    await znp.znp_backup(
  File "/config/custom_components/zha_toolkit/znp.py", line 31, in znp_backup
    backup_obj = await backup_network(app._znp)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/tools/network_backup.py", line 78, in backup_network
    await znp.load_network_info(load_devices=True)
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/api.py", line 228, in load_network_info
    await self._load_network_info(load_devices=load_devices)
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/api.py", line 203, in _load_network_info
    for dev in await security.read_devices(self, tclk_seed=tclk_seed):
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/znp/security.py", line 260, in read_devices
    addr_mgr = await read_addr_manager_entries(znp)
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/znp/security.py", line 159, in read_addr_manager_entries
    entries = [
              ^
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/znp/security.py", line 159, in <listcomp>
    entries = [
              ^
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/nvram.py", line 401, in read_table
    yield await self.read(
          ^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/nvram.py", line 329, in read
    read_rsp = await self.znp.request(
               ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.11/site-packages/zigpy_znp/api.py", line 1024, in request
    async with async_timeout.timeout(
  File "/usr/local/lib/python3.11/site-packages/async_timeout/__init__.py", line 141, in __aexit__
    self._do_exit(exc_type)
  File "/usr/local/lib/python3.11/site-packages/async_timeout/__init__.py", line 228, in _do_exit
    raise asyncio.TimeoutError
TimeoutError