How To Fix T8159 - Standard yield curve(s) has been changed

SAP Error Message - Details

• Message type: E = Error

• Message class: T8 - Analysis system evaluations

• Message number: 159

• Message text: Standard yield curve(s) has been changed

What causes this issue?

The standard yield curves in the scenario have changed. This may be due
to a change in the scenario type or in the corresponding evaluation
type.

System Response

The existing standard yield curves are saved under "additional yield
curves". At the same time, the yield curves defined for the evaluation
type become the new standard yield curves.

How to fix this error?

If you no longer require the former standard yield curves for your
evaluations, you can delete them from the scenario. If you do not
delete them, they are held as additional yield curves.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T8159 - Standard yield curve(s) has been changed ?

  The SAP error message T8159, which states "Standard yield curve(s) has been changed," typically occurs in the context of financial applications, particularly in modules related to treasury and risk management, such as SAP Treasury and Risk Management (TRM) or SAP Financial Supply Chain Management (FSCM). This error indicates that the standard yield curve used for calculations has been modified, which can affect various financial transactions and valuations.
  Cause:
  
  Changes in Yield Curves: The standard yield curves used in the system have been updated or changed. This could be due to updates from financial institutions, regulatory changes, or manual adjustments made by users.
  Configuration Issues: There may be inconsistencies in the configuration settings related to yield curves, such as missing or incorrect data.
  Data Consistency: The system may detect that the yield curve data is inconsistent with other financial data or transactions.
  
  Solution:
  
  Review Changes: Check the changes made to the yield curves. This can typically be done in the configuration settings of the SAP system. Ensure that the changes are valid and necessary.
  Update Transactions: If the yield curve has changed, you may need to re-evaluate or reprocess any transactions that were based on the previous yield curve. This may involve recalculating valuations or adjusting financial instruments.
  Check Configuration: Verify the configuration settings for yield curves in the system. Ensure that all necessary parameters are correctly set and that there are no missing entries.
  Consult Documentation: Refer to SAP documentation or notes related to yield curves and the specific module you are using. There may be specific instructions or patches available to address this issue.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance. They may have additional insights or solutions based on the specific version of SAP you are using.
  
  Related Information:
  
  Yield Curve Definition: A yield curve is a graphical representation of the interest rates on debt for a range of maturities. It is used in finance to understand the relationship between interest rates and the time to maturity of debt securities.
  Impact on Financial Transactions: Changes in yield curves can significantly impact the valuation of financial instruments, risk assessments, and overall financial reporting.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide guidance on handling yield curve changes.
  
  By following these steps, you should be able to resolve the T8159 error and ensure that your SAP system is functioning correctly with the updated yield curves.