Sharepoint List - Multiple IF AND function in calculated column

[TPalmer1695]

Hi, I'm trying to create a column that will calculate a value based on a risk matrix; I have come up with the formula below, but it's not working. I've also tried a switch formula without success. I've played around with swapping commas out for semicolons and removing line breaks but this also did not work. 

Can anyone assist with a solution please? 

So the calculation is based on a restricted list of values in Column [Likelihood] and a restricted list of values in Column [Consequence]. 

Thank you!

=IF(AND([Likelihood]="Rare (1)",[Consequence]="Insignificant (1)"),"Low",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Minor (1)"),"Low",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Medium (3)"),"Low",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Major (4)"),"Moderate",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Critical (5)"),"High",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Insignificant (1)"),"Low",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Minor (1)"),"Low",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Medium (3)"),"Moderate",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Major (4)"),"Moderate",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Critical (5)"),"High",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Insignificant (1)"),"Low",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Minor (1)"),"Moderate",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Medium (3)"),"Moderate",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Major (4)"),"High",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Critical (5)"),"High",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Insignificant (1)"),"Moderate",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Minor (1)"),"Moderate",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Medium (3)"),"High",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Major (4)"),"High",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Critical (5)"),"Extreme",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Insignificant (1)"),"Moderate",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Minor (1)"),"Moderate",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Medium (3)"),"High",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Major (4)"),"Extreme",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Critical (5)"),"Extreme",""))))))))))))))))))))))))

[#2 · Accepted solution]

@TPalmer1695 You are using more than 19 nested IF functions in calculated column formula which is not supported in SharePoint Online.

You will have to break your formula with batches of 19 IF functions and combine them using &. Check these links for more information and examples:

1. What is the maximum syntax formulas that I can use in calculated column on my SharePoint list? 
2. What is the workaround for limit in nested if statements in SharePoint calculated column? 

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[#3]

@ganeshsanap Thank you for your assistance. You were correct and breaking the formula with "&" did the trick. 

For anyone looking for the corrected formula for similar use, I have included this below. 

=IF(AND([Likelihood]="Rare (1)",[Consequence]="Insignificant (1)"),"Low",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Minor (1)"),"Low",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Medium (3)"),"Low",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Major (4)"),"Moderate",
IF(AND([Likelihood]="Rare (1)",[Consequence]="Critical (5)"),"High",""))))) &
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Insignificant (1)"),"Low",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Minor (1)"),"Low",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Medium (3)"),"Moderate",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Major (4)"),"Moderate",
IF(AND([Likelihood]="Unlikely (2)",[Consequence]="Critical (5)"),"High",""))))) &
IF(AND([Likelihood]="Possible (3)",[Consequence]="Insignificant (1)"),"Low",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Minor (1)"),"Moderate",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Medium (3)"),"Moderate",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Major (4)"),"High",
IF(AND([Likelihood]="Possible (3)",[Consequence]="Critical (5)"),"High",""))))) &
IF(AND([Likelihood]="Likely (4)",[Consequence]="Insignificant (1)"),"Moderate",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Minor (1)"),"Moderate",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Medium (3)"),"High",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Major (4)"),"High",
IF(AND([Likelihood]="Likely (4)",[Consequence]="Critical (5)"),"Extreme",""))))) &
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Insignificant (1)"),"Moderate",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Minor (1)"),"Moderate",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Medium (3)"),"High",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Major (4)"),"Extreme",
IF(AND([Likelihood]="Almost Certain (5)",[Consequence]="Critical (5)"),"Extreme","")))))

[#4]

@ganeshsanap  I did test the workaround and it worked, however, my column now includes a FALSE statement next to each formulas response. Any idea how to fix it?