module 'onadata.apps.main.models.meta_data' has no attribute 'DoesNotExist'

[WinnyTroy]

[2020-01-07 06:38:15,791: ERROR/ForkPoolWorker-1] Task onadata.apps.viewer.tasks.create_external_export[2e3d52cf-02e1-418f-a501-bd35d2e07524] raised unexpected: DoesNotExist('MetaData matching query does not exist.',)
Traceback (most recent call last):
  File "/home/onadata/.virtualenvs/onadata/lib/python3.6/site-packages/celery/app/trace.py", line 382, in trace_task
    R = retval = fun(*args, **kwargs)
  File "/home/onadata/.virtualenvs/onadata/lib/python3.6/site-packages/celery/app/trace.py", line 641, in __protected_call__
    return self.run(*args, **kwargs)
  File "/home/onadata/app-versioned/1575642939/onadata/apps/viewer/tasks.py", line 364, in create_external_export
    xform=export.xform)
  File "/home/onadata/app-versioned/1575642939/onadata/libs/utils/export_tools.py", line 747, in generate_external_export
    server, name = _get_server_from_metadata(xform, meta, token)
  File "/home/onadata/app-versioned/1575642939/onadata/libs/utils/export_tools.py", line 704, in _get_server_from_metadata
    result = report_templates.get(pk=meta)
  File "/home/onadata/.virtualenvs/onadata/lib/python3.6/site-packages/django/db/models/query.py", line 399, in get
    self.model._meta.object_name
onadata.apps.main.models.meta_data.MetaData.DoesNotExist: MetaData matching query does not exist

Aha! Link: https://ona.aha.io/features/PROD-180