Cannot edit this cell.

The cell you've selected cannot be edited. There are many possible causes, including:

• The field is the result of a computed expression.

• The field is a literal.

• The field is part of a read-only joined table.

• The field has a precision greater than 29.

• You do not have update permission.

• The recordset itself cannot be updated.

• Previously run triggers or updates may prevent getting the current value.

For more information, see Modifying Columns (Visual Database Tools).