Excel Formula Errors – Understand and Debug Them

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Excel formula error checklist and how to fix excel errorsImagine carefully creating a workbook with several calculations and formulas only see errors. What to do when you get an Excel formula error? Of course, you can shake your head and ask, “Why, why would you do that?”, but that will not help.

What to do when you have an Excel error like #NA or #REF

So in this article let’s learn how to fix Excel formula error. Those annoying #SOMETHING!s that you see when your excel formulas have something wrong with them.

Excel Formula Error Checklist

Use this checklist to quickly understand common formula errors, what they mean, when you would see them and how to fix them. Read on to know more about the errors.

ErrorWhat it means?Most common reasonHow to fix it?
#N/ANot ApplicableWhen VLLOKUP can't find what you wantMake sure your list has the value you are looking for. Use IFERROR or IFNA to fix
#DIV/0!Divide by ZeroDenominator is zeroUse IF formula to safe divide
#NAME?Could not find the nameSpelling mistake / typoDouble check your formula and fix the error
#########Could not display or formatCell too smallAdjust column width
#VALUE!Invalid valueConverting non-dates or numbersMake sure your dates are correctly formatted
#REF!Reference missingWhen you delete a row / column / cellCheck cell dependancies before deleting
#NUM!Invalid numberNumber too high or too lowCheck your calculation
#NULL!Missing or null valueReference points to nothingSee if your references are right

#N/A Formula Error

This is one of the most frequent excel formula error you see while using vlookup formula. The N/A error is shown when some data is missing, or inappropriate arguments are passed to the lookup functions (vlookup, hlookup etc.) of if the list is not sorted and you are trying to lookup using sort option. You can also generate a #N/A error by writing =NA() in a cell.

How to fix #N/A error?

Make sure you wrap the lookup functions with some error handling mechanism. For eg. if you are not sure the value you are looking is available, you can write something like =IFERROR(VLOOKUP(…), “Value not found”). This will print “value not found” whenever the vlookup returns any error (including #N/A)

Related: Learn more about IFERROR formula

#DIV/0! Formula Error

This is the easiest of all. When you divide something with 0, you see this error. For eg. a cell with the formula =23/0 would return in this error.

How to fix #DIV/0 error?

Simple, use IF formula to safe divide, like this:

=IF(A2=0, “”, A1/A2)

 

#NAME? Formula Error

The most common reason why you see this error is because you misspelled a formula or table or named range. For eg. if you write =summa(a1:a10) in a cell, it would return #NAME? error. There are few other reasons why this can happen. If you forget to close a text in double quotes or omit the range operator :. All these examples should return #NAME? error. =sum(range1, UNDEFIED_RANGE_NAME), =sum(a1a10)

How to fix #NAME? Error?

  • Make sure you have mentioned the correct formula name. Use auto-complete when typing formulas. This way, when you type formulas or use names / structural references, you will not make any mistakes.
  • Make sure you have defined all the tables and named ranges you are using in the formula.
  • Make sure any user defined functions you are using are properly installed.
  • Double check the ranges and string parameters in your formulas.

###### Error

You see a cell full of # symbols when the contents cannot fit in the cell. For eg. a long number like 2339432094394 entered in a small cell will show ####s. Also, you see the ###### when you format negative numbers as dates.

How to fix the ###### error?

Simple, adjust the column width. And if the error is due to negative dates, make them positive.

#VALUE! Excel Formula Error

Value error is shown when you use text parameters to a function that accepts numbers. For eg. the formula =SUM(“ab”,”cd”) returns #VALUE! error.

How to fix the #VALUE! error?

Make sure your formula parameters have correct data types. If you are using functions that work on numbers (like sum, sumproduct etc.) then the parameters should be numbers.

#REF!  Formula Error

This is one of the most common error messages you see when you fiddle with a worksheet full of formulas. You get #REF! Excel formula error when one of the formula parameters is pointing to an invalid range. This can happen because you deleted the cells. For eg. try to write a sum forumla like =SUM(A1:A10, B1:B10, C1:C10) and then delete the column C. Immediately the sum formula returns #REF! error.

How to fix the #REF! error?

First press ctrl+Z and undo the actions you have performed. And then rethink if there is a better way to write the formula or perform the action (deleting cells).

#NUM! Excel Error

This is number error that you see when your formula returns a value bigger than what excel can represent. You will also get this error if you are using iterative functions like IRR and the function cannot find any result. For eg. the formula =4389^7E+37 returns a #NUM! error.

How to fix #NUM! error?

Simple, make your numbers smaller or provide right starting values to your iterative formulas.

#NULL! Formula Error

This is rare error. When you use incorrect range operators often you get this error. For eg. the formula =SUM(D30:D32 C31:C33) returns a #NULL! error because there is no overlap between range 1 and range2.

How to fix the #NULL! error?

Make sure you have mentioned the ranges properly.

Formula not working – showing as text?

If you don’t see any error, but instead of seeing the result, all you see is your formula (like below), then check out Formulas not working page for information how to fix the problem.

excel formula showing as text - What to do when all you see is the formula, not result

Further Reading on Excel Formula Debugging

Formula Debugging using F9 Key

Learn to work with Circular References

Understand the difference between absolute and relative references

How to work with tables & structural references

Detect errors in your formulas [Office.com]

How to use new ERROR.TYPE formula to work with errors

Tell me how you debug formulas? What is the most common error you get?
What is the strangest and most confusing error you have seen? Please share in the comments so we can all have a laugh and find a way to fix the problem.

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17 Responses to “Budget vs. Actual Profit Loss Report using Pivot Tables”

  1. Dau says:

    Good Work, Yogesh & Chandoo! Thanks.

  2. Abdul Kader says:

    Hi everybody,
    first sorry I am late to say something about this topic;actually I was waiting last part
    second I am not accountant I am an Engineer
    third """"Very Important""" the idea is not about Loss but I am sure it is profit
    Based on third it shows:
    1- How to use EXCEL
    2- How to use pivot TABLES
    3- How to collect and arrange DATA
    4- How to make reports

    Many Thanks

  3. UB says:

    Hi Yogesh and Chandoo,

    Thank you for sharing your knowledge!
    You guys are great!

  4. Alejandro says:

    thanks chandoo and yogesh, thanks for you lessons, are great!....i have a idea for a budget. I try to do it..... thanks for all

  5. SAUL ESPINOZA says:

    Thanks a lot for sharing the most powerful tool worldwide "knowledge"
    Warm greetings from Peru

  6. juanito says:

    Hi -
    This is a really great article because it's a simple and common thing you'd want to do with a pivot table but not at all obvious how to do it! So - muchas gracias to Chandoo and Yogesh!
    One thing - I couldn't get past the group error in the sample file. I would click on ungroup but it didn't seem to have any effect. I'd appreciate it if anybody has any pointers here.

    -Juanito

  7. Adam says:

    Hi Chandoo

    I am also having the group error. Can't seem to ungroup? Appreciate if you explain further on the steps required in order to get to calculated items.

    Many thanks and keep up the great work.

    Cheers
    Adam

  8. Catherine says:

    Hi Chandoo,

    I'm struggling resolving the problem depicted below:
    I have a set of data, with (among others) a "Region" field (can be APJ, EMEA, or AMS), and a "Country" field.
    Unfortunately, I need to group data by the following 4 Regions: APeJ, Japan, EMEA and AMS.

    I first tried to make a pivot with Region and Country in the rows (or columns), and then group Country data as per the above.
    Alas, as soon as I have a new Country that appear in my data set, my groupings are broken, and I have to redo the job of ungrouping, grouping etc.

    I thought I could try to use calculated item, by adding first a new column to my dataset concatenating Region_Country, and create an "APeJ" calculated item that would sum all the "APJ_*" and substract the "APJ_Japan", but again, no clue, as I can't find a way to use any wild card in those formulas.

    Given that I already found extremely helpful tips and tricks in your site that helped me manage that bunch of data, I'm pretty sure you'll have a bright idea on how I can solve that one!

    Thanks in advance for your lights!

    • Chandoo says:

      Hi Catherine...

      In such cases, I advice using an additional column in the data itself. You can set-up a grouping table else where with country in first column, region in second column. And then in the data, you can add an extra column and use VLOOKUP to fetch the region based on the country.

      Then feed this entire data (with extra column) to pivot table and use the extra column to group the data.

      • Catherine says:

        Hi Chandoo,

        Thank you for your prompt answer.
        I finally came to the same conclusion - after a rest 🙂 . I was probably too tired Friday evening (it was rather late), having spent hours in manipulating all my surveys data so as to pull rolling averages, make nice graphs and so on, and was trying to find a complex solution when there was a simple one.

        Thanks again,
        Catherine

  9. Tzu says:

    Hey,

    Great post!

    I for example have different database structure with the following fields :

    Date, Expense, Income, Sum (Income - Expense), Category (Sales, Cost of Goods and etc).

    Creating a P&L report for the whole year works great. Including gross margin % and etc.

    Though, creating P&L report by QTR/Month is becoming impossible since i get the following error : “This PivotTable report field is grouped. You cannot add calculated item to grouped filed.”

    Is there a solution for this kind of problem?
     

  10. klumsyboy says:

    Like Adam and Juanito, I also cannot ungroup.

    Would appreciate it if you can add a few more lines and a screenshot or two on where to put the mouse cursor to ungroup. 

  11. klumsyboy says:

    Hi,  I have figured out the ungrouping problem. One of the earlier steps was to group by month, if you pull the month back down to the column then right click and then select ungroup, then pull the month back up so you end up with just data source and budget/actual as the headings, then you can continue on.

  12. Kent Lau says:

    To solve the ungroup problem, my method is:
    Copy the "data" sheet to a whole new Excel workbook
    and directly work on Part 6.

    And since it is a fresh copy, Excel don't show me the "can't ungroup" problem. Hope this help.

    Thank you Yogesh for this wonderful tutorial.

    Kent, Malaysia

  13. felipe says:

    Just when i thought pivots were awesome i learn about inserting the calculated fields and that makes them more awesome. chandoo where have you been all my life.

  14. barrierone says:

    Hello - your P&L pivot version has really impressed my boss and would like to use it. I have applied it for a actual vs budget vs forecast model I have created. One problem. In your variance above the operating profit percent % variance shows 33.8% but I want it to show (0.01) point or the true diff from prior budget.

    I know I can add calculation to the side but boss would like to see it in pivot table.

    Please help
    Thanks

  15. barrierone says:

    I have a further query which may solve my above dilemma. Is it possible to add a column that calculates percent increase. So in the example above a new column would be added to show variance %.

    Any help would be appreciated.

    Thanks