Frontend stuck on "loading data"

I’m unable to access the frontend of Home Assistant. All automations, zwave, zigbee, etc. seem to work as usual, but the frontend is not accessible through its normal URL or the IP address.
I can access the files through Samba, but I can’t make an SSH connection.
This started after I upgraded to 2021.9.7 to 2021.10.4, but not immediately. I went back to the 2021.9.7, but that didn’t solve the problem.
I did several reboots by doing a power cycle. Every time the systems seems to come back on, but the frontend just doesn’t open.
I found several other topics on the forum, but without SSH I’m unable to try things like clear the .storage folder.
The logs that I can access through Samba have a couple of errors, the most relevant one seems the be this one

2021-10-16 17:23:26 ERROR (MainThread) [aiohttp.server] Unhandled exception
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/asyncio/", line 1183, in _sendfile_fallback
    read = await self.run_in_executor(None, file.readinto, view)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/local/lib/python3.9/site-packages/aiohttp/", line 485, in start
    resp, reset = await task
  File "/usr/local/lib/python3.9/site-packages/aiohttp/", line 440, in _handle_request
    reset = await self.finish_response(request, resp, start_time)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/", line 591, in finish_response
    await prepare_meth(request)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/", line 241, in prepare
    return await self._sendfile(request, fobj, offset, count)
  File "/usr/local/lib/python3.9/site-packages/aiohttp/", line 96, in _sendfile
    await loop.sendfile(transport, fobj, offset, count)
  File "/usr/local/lib/python3.9/asyncio/", line 1162, in sendfile
    return await self._sendfile_fallback(transport, file,
  File "/usr/local/lib/python3.9/asyncio/", line 1192, in _sendfile_fallback
    await proto.restore()
  File "/usr/local/lib/python3.9/asyncio/", line 263, in restore
  File "/usr/local/lib/python3.9/asyncio/", line 343, in resume_reading
AttributeError: 'NoneType' object has no attribute 'resume_reading'

My platform is Hassio on a Raspberry Pi 3b. Any suggestions on what can be done about this?

Never mind. This pushed me over the hump and I migrated from the Pi to a Odroid N2+ setup. Problem solved.