Hi, Any help with this error and not getting the artifacts in metaflow UI:

Traceback (most recent call last):
  File "/usr/local/bin/ui_backend_service", line 33, in <module>
    sys.exit(load_entry_point('metadata-service', 'console_scripts', 'ui_backend_service')())
  File "/root/services/ui_backend_service/ui_server.py", line 152, in main
    loop.run_forever()
  File "/usr/local/lib/python3.11/asyncio/base_events.py", line 607, in run_forever
    self._run_once()
  File "/usr/local/lib/python3.11/asyncio/base_events.py", line 1922, in _run_once
    handle._run()
  File "/usr/local/lib/python3.11/asyncio/events.py", line 80, in _run
    self._context.run(self._callback, *self._args)
  File "/usr/local/lib/python3.11/site-packages/aiohttp/web_protocol.py", line 452, in _handle_request
    resp = await request_handler(request)
  File "/usr/local/lib/python3.11/site-packages/aiohttp/web_app.py", line 543, in _handle
    resp = await handler(request)
  File "/usr/local/lib/python3.11/site-packages/aiohttp/web_middlewares.py", line 114, in impl
    return await handler(request)
  File "/root/services/utils/__init__.py", line 89, in wrapper
    err_trace = getattr(err, 'traceback_str', None) or get_traceback_str()
  File "/root/services/utils/__init__.py", line 84, in wrapper
    return await func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/services/ui_backend_service/api/log.py", line 113, in get_task_log_stderr
    return await self.get_task_log(request, STDERR)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/services/ui_backend_service/api/log.py", line 220, in get_task_log
    lines, page_count = await read_and_output(self.cache, task, logtype, limit, page, reverse_order)
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/services/ui_backend_service/api/log.py", line 261, in read_and_output
    raise LogException("Cache returned None for log content and raised no errors. \

services.ui_backend_service.api.log.LogException: Cache returned None for log content and raised no errors.             The cache server might be experiencing issues.

So the UI comes up but isn't able to load the artifacts? Is the DB up? Do you see anything in the metadata service logs?