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

/BA1/F4_YC091 - Overview

• 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

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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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