Geopoint Not Always Being Set

[arranf]

On Rock 3.5 some valid addresses which return a longitude and latitude are sometimes not having a geopoint set.

Query to identify addresses without a geopoint:

SELECT TOP 1000 [Id]
      ,[GeoPoint]
      ,[Street1]
      ,[Street2]
      ,[City]
      ,[State]
      ,[Country]
      ,[StandardizeAttemptedDateTime]
      ,[StandardizeAttemptedServiceType]
      ,[StandardizeAttemptedResult]
      ,[StandardizedDateTime]
      ,[GeocodeAttemptedDateTime]
      ,[GeocodeAttemptedServiceType]
      ,[GeocodeAttemptedResult]
      ,[GeocodedDateTime]
      ,[PrinterDeviceId]
      ,[Guid]
      ,[PostalCode]
  FROM [Location]
  WHERE [StandardizeAttemptedServiceType] = 'IdealPostcodes' and [GeoPoint] IS NULL