------ Rebuild All started: Project: ExportCncFab, Configuration: Debug Any CPU ------ C:\a\vs\ExportCncFab\ExportCncFab\ExportParameters.cs(167,11,167,43): error CS0246: The type or namespace name 'ExternalDefinitonCreationOptions' could not be found (are you missing a using directive or an assembly reference?) ========== Rebuild All: 0 succeeded, 1 failed, 0 skipped ==========