How To Fix RY618 - Only the Hull-White model can be used for pricing

SAP Error Message - Details

• Message type: E = Error

• Message class: RY - Messages for RM Basis

• Message number: 618

• Message text: Only the Hull-White model can be used for pricing

What causes this issue?

The transaction can only be valuated using the Hull-White interest
structure model.
You have either not assigned a valuation rule to the transaction, or you
have not entered the "Hull/White" valuation model in the valuation rule.

System Response

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

How to fix this error?

Check if you have assigned a valuation rule to the transaction.
Make sure, that the valuation model entered in the valuation rule is the
"Hull/White" model.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RY618 - Only the Hull-White model can be used for pricing ?

  The SAP error message RY618, which states "Only the Hull-White model can be used for pricing," typically occurs in the context of financial instruments pricing within SAP's Treasury and Risk Management (TRM) module. This error indicates that the system is configured to use the Hull-White model for interest rate derivatives pricing, and other models are not applicable or available for the specific transaction or instrument you are trying to price.
  Cause:
  
  Model Configuration: The system is set up to use the Hull-White model exclusively for certain types of financial instruments, particularly interest rate derivatives.
  Instrument Type: The financial instrument you are trying to price may not support other pricing models due to its characteristics or the way it has been configured in the system.
  Missing Parameters: If the necessary parameters for the Hull-White model are not configured or are incomplete, it may lead to this error.
  
  Solution:
  
  Check Configuration: Ensure that the pricing model settings in the SAP system are correctly configured. You may need to verify the settings in the transaction codes related to financial instruments and pricing models.
  Use Hull-White Model: If you are attempting to use a different model, switch to the Hull-White model for the pricing of the instrument in question.
  Parameter Setup: Make sure that all required parameters for the Hull-White model are correctly set up in the system. This includes interest rate curves, volatility parameters, and any other necessary inputs.
  Consult Documentation: Review the SAP documentation or help files related to the Treasury and Risk Management module for specific guidance on using the Hull-White model.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance. They may provide insights specific to your system configuration.
  
  Related Information:
  
  Hull-White Model: This is a popular interest rate model used for pricing interest rate derivatives. It is a one-factor model that assumes that the short-term interest rate follows a mean-reverting process.
  SAP TRM Module: The Treasury and Risk Management module in SAP is used for managing financial transactions, risk management, and compliance. Understanding its configuration is crucial for resolving pricing issues.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as TPM1, TPM2, and TPM3 for managing financial instruments and pricing models.
  
  By following these steps, you should be able to resolve the RY618 error and successfully price your financial instruments using the Hull-White model.