How To Fix /BA1/F4_YC091 - Yield curve type &1: OIS yield curve type &2 not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: /BA1/F4_YC -

• Message number: 091

• Message text: Yield curve type &1: OIS yield curve type &2 not permitted

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /BA1/F4_YC091 - Yield curve type &1: OIS yield curve type &2 not permitted ?

  The SAP error message /BA1/F4_YC091 indicates that there is an issue with the yield curve types being used in a financial transaction or configuration. Specifically, it suggests that the combination of the specified yield curve types is not permitted in the system.
  Cause:
  
  Incompatible Yield Curve Types: The error typically arises when the system encounters a combination of yield curve types that are not allowed. For example, if you are trying to use an Overnight Indexed Swap (OIS) yield curve type in a context where it is not supported or compatible with the other yield curve type specified.
  Configuration Issues: There may be configuration settings in the SAP system that restrict the use of certain yield curve types together.
  Data Entry Errors: Incorrect data entry or selection of yield curve types in the transaction could lead to this error.
  
  Solution:
  
  Check Yield Curve Types: Review the yield curve types you are trying to use. Ensure that they are compatible and permitted for the specific transaction or process you are executing.
  Consult Configuration: If you have access to the configuration settings, check the settings related to yield curves in the SAP system. This may involve looking at the configuration for financial instruments or yield curve management.
  Use Valid Combinations: Refer to the documentation or guidelines provided by your organization or SAP to identify valid combinations of yield curve types.
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting SAP notes for any known issues or patches related to this error message.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any updates or patches that may address this specific error message.
  Documentation: Review the SAP documentation related to yield curves and financial instruments to understand the rules and configurations that apply.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in managing yield curves, such as those related to financial instruments or risk management.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.