, and then click Trace Error if it appears.Possible causes and solutions
Change the formulas, or restore the cells on the worksheet by clicking Undo
immediately after you delete or paste the cells.
Using a link to a program that is not running
Start the program.
Linking to a Dynamic Data Exchange (DDE) topic such as "system" that is not available
Make sure that you're using the correct DDE topic.
Running a macro that enters a function that returns #REF!
Check the function to see if an argument refers to a cell or range of cells that is not valid. For example, if the macro enters a function that refers to a cell above the function, and the cell that contains the function is in row 1, the function will return #REF! because there are no cells above row 1.