How do i Encounter this Assign: The source contains no DataRows Error

But we would also recommend to check the LINQ on the options to reformulate it e.g.

(From d1 in LastYearPL.AsEnumerable
Where Not CurrentYearPL.AsEnumerable.Any(Function (d2) d2("Account").toString.Trim.Equals(d1("Account").toString.Trim))
Select r=d1).CopyToDataTable
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