How To Fix UPB142 - A negative internal interest rate was determined

UPB142 - Overview

• Message type: E = Error

• Message class: UPB - BPS: Balance sheet planning messages

• Message number: 142

• Message text: A negative internal interest rate was determined

What causes this issue?

A negative internal interest rate was determined for the payment series
it is based on.

System Response

The calculation was terminated.

How to fix this error?

Check the payment series it is based on.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

UPB142 - Details

• The SAP error message UPB142, which states "A negative internal interest rate was determined," typically occurs in the context of SAP's Profitability Analysis (CO-PA) or other financial modules where internal interest rates are calculated for various financial transactions or planning scenarios.
  
  Cause:
  
  Data Input Issues: Incorrect or incomplete data inputs can lead to the calculation of a negative interest rate. This may include incorrect cash flow projections, wrong interest rate settings, or misconfigured planning parameters.
  Configuration Errors: The configuration of the interest rate settings in the system may not be aligned with the expected financial scenarios, leading to unrealistic calculations.
  Negative Cash Flows: If the cash flows associated with a particular transaction or planning scenario are negative, it can result in a negative internal interest rate.
  Modeling Errors: Errors in the financial model or assumptions used for calculating the internal interest rate can also lead to this issue.
  
  
  Solution:
  
  Review Input Data: Check the input data for