System.ArgumentException in DataSheet.cs

[szalkerous]

It is possible to throw a System.ArgumentException in DataSheet.cs on the line:

[code]_PartialSheets.Add(range, partial);[/code]

Full exception:
"System.ArgumentException: An item with the same key has already been added.
at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
at System.Collections.Generic.Dictionary2.Insert(TKey key, TValue value, Boolean add) at SaintCoinach.Ex.DataSheet1.CreatePartialSheet(Range range) \SaintCoinach\Ex\DataSheet.cs:line 117
at SaintCoinach.Ex.DataSheet1.CreateAllPartialSheets() in \\SaintCoinach\\Ex\\DataSheet.cs:line 108 at SaintCoinach.Ex.DataSheet1.ContainsRow(Int32 row) in \SaintCoinach\Ex\DataSheet.cs:line 136
at SaintCoinach.Ex.MultiSheet2.ContainsRow(Int32 row) in \\SaintCoinach\\Ex\\MultiSheet.cs:line 102 at SaintCoinach.Xiv.XivSheet1.ContainsRow(Int32 row) in \SaintCoinach\Xiv\XivSheet.cs:line 118