What is the function of sumif formula? How one can remove error in the formula?

answer :we use the SUMIF function to sum the values in a range that meet criteria that you specify. For example, suppose that in a column that contains numbers, we want to sum only the values that are larger than5. we can use the following formula:

=SUMIF(w2:w,">5")

How one can remove error in the formula?

Answer : we can use "IFERROR" funcation in this problem