how to find an error
 

is there a way to find the location of the following error?
guesse if have to, can start cutting / slashing portions to isolate..

Excel could not save all the data an formatting you recently added to file
- to return to your workbook without saving click cancel. SAVE TO NEW FILE
- if you want to continue saving changes without repairing the problem,
click ok. MUST DO AS STEP 2 TO RETURN TO WORK.