How To Fix T1129 - No interest calculation method entered for reference interest rate

SAP Error Message - Details

• Message type: E = Error

• Message class: T1 - Financial instruments

• Message number: 129

• Message text: No interest calculation method entered for reference interest rate

What causes this issue?

When the reference interest rates were maintained, no interest
calculation method was allocated.

How to fix this error?

Contact your customizing administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message T1129 - No interest calculation method entered for reference interest rate ?

  The SAP error message T1129, which states "No interest calculation method entered for reference interest rate," typically occurs in the context of financial transactions involving interest calculations, such as loans, deposits, or other financial instruments. This error indicates that the system cannot find a defined method for calculating interest based on the specified reference interest rate.
  Cause:
  
  Missing Configuration: The primary cause of this error is that the interest calculation method has not been defined for the reference interest rate in the system.
  Incorrect Settings: The reference interest rate may not be properly linked to an interest calculation method in the configuration settings.
  Data Entry Issues: There may be a data entry error where the reference interest rate is not correctly specified in the transaction.
  
  Solution:
  To resolve the T1129 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the SAP Customizing Implementation Guide (IMG) and navigate to the relevant section for interest calculation.
  Ensure that the interest calculation method is defined for the reference interest rate you are using. This can typically be found under:
  
  Financial Accounting (FI) > Financial Services > Interest Calculation > Define Interest Calculation Methods.
  
  
  Make sure that the reference interest rate is linked to the correct interest calculation method.
  
  
  
  Define Interest Calculation Method:
  
  If the interest calculation method is not defined, you will need to create one. Specify the necessary parameters, such as the calculation formula, frequency, and any other relevant details.
  
  
  
  Check Transaction Data:
  
  Review the transaction data where the error occurred. Ensure that the reference interest rate is correctly entered and corresponds to a valid entry in the system.
  
  
  
  Test the Configuration:
  
  After making the necessary changes, test the configuration by executing the transaction again to see if the error persists.
  
  
  
  Consult Documentation:
  
  If you are unsure about the configuration steps, refer to SAP documentation or consult with your SAP support team for guidance.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (to access the IMG) or OB52 (to check the posting periods) to navigate through the configuration settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on interest calculation methods.
  User Roles: Ensure that you have the necessary authorizations to make changes to the configuration settings.
  
  By following these steps, you should be able to resolve the T1129 error and ensure that the interest calculation method is properly configured for the reference interest rate in your SAP system.