3828402 - Why can't I see Calculation Formulas under rule action?

I am trying to create a validation rule and use Calculation Formulas, but I cannot find it under Rule Action. Why?

Expense > Audit rule > Validation rule

Concur Expense all versions

I cannot find Calculation Formulas under rule action when creating validation rule. , KBA , CON-EXP-ADM-AUR , Audit Rules , Problem

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Visit SAP Support Portal's SAP Notes and KBA Search.