Error Cells
 

Hi can some one help me get rid of the below error in cell i have looped formulas in them which i would not want to disrupt but get rid of the 'Error' so that i can work further from there. the formula in the cell is as follows:
=IF(Sheet1!$G$2="N","",(SUMIF($DM$2:$DM$366,DU$1,$ BA$2:$BA$366))/DU$2)

I want the cell to do this without returning any error rather leave it blank.