Values not coming in few cell but coming in rest all cells

Hi

Please can anybody help me . Its very urgent.

Attached is the excel sheet,From N5-N10 the values are
not coming, same from O5-O10 values are not coming
but values are coming from N11-N19 and also in O11-O19.its coming fine....

i have tried a lot but not able to understand what the issue is ,,,,,,
it will be great if somebody can help me with this.....

Thanks & Regards
Rashmi