How To Fix FT109 - Periods to be calculated are not all in ascending order

SAP Error Message - Details

• Message type: E = Error

• Message class: FT - FI Table Maintenance Error Messages

• Message number: 109

• Message text: Periods to be calculated are not all in ascending order

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FT109 - Periods to be calculated are not all in ascending order ?

  The SAP error message FT109, which states "Periods to be calculated are not all in ascending order," typically occurs in the context of financial calculations, such as during the execution of a transaction that involves period-based calculations (e.g., depreciation, interest calculations, etc.). This error indicates that the periods specified for the calculation are not arranged in a sequential or ascending order, which is a requirement for the system to process the data correctly.
  Cause:
  
  Incorrect Period Sequence: The periods you are trying to process (e.g., fiscal periods, months, or years) are not listed in ascending order. For example, if you have periods 2023-01, 2023-03, and 2023-02, this will trigger the error because 2023-02 is out of order.
  Data Entry Errors: Manual entry of periods may lead to mistakes, such as skipping a month or entering periods in the wrong order.
  Configuration Issues: In some cases, the configuration of the financial module may not be set up correctly, leading to issues with period handling.
  
  Solution:
  
  Check Period Sequence: Review the periods you are trying to process and ensure they are in ascending order. Correct any discrepancies by rearranging the periods.
  Data Validation: If you are entering periods manually, double-check your entries for any typos or errors.
  Use the Correct Transaction: Ensure you are using the correct transaction code or program that is designed to handle the specific periods you are working with.
  Consult Documentation: Refer to SAP documentation or help files for guidance on the specific transaction or process you are using to ensure compliance with the required period format.
  Test with Sample Data: If possible, test the process with a smaller set of data to confirm that the issue is resolved before applying changes to larger datasets.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be involved in the process, such as AFAB (Depreciation Run) or other financial transaction codes.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the FT109 error and ensure that your periods are correctly processed in ascending order.