Error: Notification New Mail not found - On Create Notification

When i go to create notification i recieve this error:

Notification New Mail not found


Traceback (most recent call last):
  File "apps/frappe/frappe/email/doctype/notification/", line 427, in evaluate_alert
    alert = frappe.get_doc("Notification", alert)
  File "apps/frappe/frappe/", line 1176, in get_doc
    doc = frappe.model.document.get_doc(*args, **kwargs)
  File "apps/frappe/frappe/model/", line 74, in get_doc
    return controller(*args, **kwargs)
  File "apps/frappe/frappe/model/", line 106, in __init__
  File "apps/frappe/frappe/model/", line 149, in load_from_db
  File "apps/frappe/frappe/", line 522, in throw
  File "apps/frappe/frappe/", line 490, in msgprint
  File "apps/frappe/frappe/", line 442, in _raise_exception
    raise raise_exception(msg)
frappe.exceptions.DoesNotExistError: Notification New Mail not found

I reset the docker droplet and this working fine now!