How To Fix /BA1/F4_IR026 - Yield curve &2 in &3 has ref. interest rates with the same maturity date

/BA1/F4_IR026 - Overview

• Message type: E = Error

• Message class: /BA1/F4_IR -

• Message number: 026

• Message text: Yield curve &2 in &3 has ref. interest rates with the same maturity date

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.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /BA1/F4_IR026 - Yield curve &2 in &3 has ref. interest rates with the same maturity date ?

  The SAP error message /BA1/F4_IR026 indicates that there is an issue with the yield curve configuration in the system. Specifically, it points out that there are reference interest rates with the same maturity date, which is not allowed in the context of yield curve definitions.
  
  Cause:
  The error occurs when you attempt to create or modify a yield curve, and the system detects that there are multiple reference interest rates that share the same maturity date. This situation can arise due to:
  
  Duplicate Entries: There may be duplicate interest rate entries in the configuration for the same maturity date.
  Incorrect Data Entry: During the setup of interest rates, incorrect or duplicate data may have been entered.
  Data Migration Issues: If data was migrated from another system, it may have introduced duplicates.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Yield Curve Configuration:
  
  Navigate to the yield curve configuration in SAP (usually found in the transaction code