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

This selection is not valid.
There are several possible reasons:

• Copy and paste areas cannot overlap unless they are the same size and shape.
• If you are using the Create from Selection command, the row or column containing the proposed names will not 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 a single rectangle that is more than one row high and more than one column wide.