The Code Conversion Utility replaced instances of extended precision data types with double-precision data types. This version of LabVIEW NXG does not support the extended precision data type.
Confirm the changes are correct. If you need the additional precision of the extended data type, consider using a VI Interop node to use the extended data type in LabVIEW. If your application uses extended precision data types extensively, you may not want to migrate to LabVIEW NXG at this time.