How To Fix 1G657 - Wrong interest calculation method for &1. Only ICM &2 possible!

SAP Error Message - Details

• Message type: E = Error

• Message class: 1G - BKK: Konditionen

• Message number: 657

• Message text: Wrong interest calculation method for &1. Only ICM &2 possible!

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 1G657 - Wrong interest calculation method for &1. Only ICM &2 possible! ?

  The SAP error message 1G657 indicates that there is an issue with the interest calculation method being used for a specific financial transaction or object. The message states that the interest calculation method currently assigned is incorrect, and it specifies that only a particular method (ICM &2) is valid for the given context.
  Cause:
  
  Incorrect Interest Calculation Method: The interest calculation method assigned to the financial transaction or object (represented by &1) does not match the expected method (ICM &2) defined in the system.
  Configuration Issues: There may be a configuration issue in the system where the interest calculation methods are defined, leading to a mismatch.
  Data Entry Errors: There could be errors in data entry or master data setup that result in the wrong interest calculation method being assigned.
  
  Solution:
  
  Check Configuration: Review the configuration settings for interest calculation methods in the relevant SAP module (e.g., Financial Accounting, Treasury). Ensure that the correct methods are defined and assigned to the appropriate transaction types or objects.
  Review Master Data: Check the master data for the object in question (e.g., customer, vendor, loan, etc.) to ensure that the correct interest calculation method is assigned.
  Change Interest Calculation Method: If the current method is incorrect, change it to the valid method (ICM &2) as indicated in the error message. This may involve updating the relevant transaction or master data.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on interest calculation methods and their configurations.
  Testing: After making changes, perform tests to ensure that the interest calculations are now functioning correctly without triggering the error message.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (for configuration), SE11 (for data dictionary), or SE16 (for table display) to investigate the configuration and data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to the interest calculation methods or related configurations.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP functional consultant or support team for further assistance.