3817040 - Error: “You already have a mapping for the selected Country/Region, Expense Policy, and Parent Expense Type.”

When users follow these steps, they might encounter an error: "You already have a mapping for the chosen Country/Region, Expense Policy, and Parent Expense Type."

1. Navigate to Expense Administration, proceed to Tax Administration, and then access Multi VAT configuration.
2. Attempt to add a new row or update an existing one by selecting the Country, Policy, and Parent Expense Type with multiple VAT rates applicable in that country, while explicitly identifying the Child Expense Type.
3. Save the configuration.

Error: “You already have a mapping for the selected Country/Region, Expense Policy, and Parent Expense Type.” , KBA , CON-EXP-ADM-TAX , Tax Administration , Problem