...
Each row in the spreadsheet represents one of three situations:
A remote data series that has been matched to an FDW data series: This probably indicates a successful match, but it may also represent an accidental match where FDW has recognized the wrong remote data series.
An FDW Data Series without a matching remote Data Series: This indicates a metadata mismatch, and we need to find the remote data series that we expected to match and identify and correct the unrecognized metadata.
A remote Data Series without a matching FDW Data Series: This might indicate a metadata mismatch, or it might be a remote data series that we do not want to capture in FDW.
...