Invalid request
113: Gateway not found.
152: User does not have a valid household object.
153: No valid meter found for user.
185: Labelpartner not specified for household.
186: Cannot find a profile for this household.
250: Unexpected exception while retrieving tariffs information.
251: No cost calculation available.
252: Tariff agreement not found.
265: Unexpected exception while retrieving customer information.
274: Unit conversion not applicable.
400: User not provisioned.
422: Invalid day/month/year provided.
426: Invalid date format.
999: Unspecified Error.
