This selection is not valid. There are several possible reasons: Copy and paste areas cannot overlap unless they're the same ...

This selection is not valid. There are several possible reasons:  • Copy and paste areas cannot overlap unless they're the same size and shape. • If you are using the Create from Selection command, the row or column containing the proposed names won't be included in the definitions of the names. • If the names you are creating are listed in a row or column, you must select more than one row or column. • If you clicked the Data Table command, you must select, you must select a single rectangle that is more than one row high and more than one column wide.