How To Fix C$429 - Repeating group &1&2: unknown sort sequence &3

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 429

• Message text: Repeating group &1&2: unknown sort sequence &3

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$429 - Repeating group &1&2: unknown sort sequence &3 ?

  The SAP error message C$429, which states "Repeating group &1&2: unknown sort sequence &3," typically occurs in the context of SAP's reporting tools, particularly when dealing with ALV (ABAP List Viewer) reports or similar output formats. This error indicates that the system is trying to sort a repeating group based on a sort sequence that is not recognized or defined in the system.
  Cause:
  
  Invalid Sort Sequence: The sort sequence specified in the report or configuration does not exist or is incorrectly defined.
  Configuration Issues: There may be issues in the configuration of the report or the data structure that leads to the system not recognizing the sort sequence.
  Data Issues: The data being processed may not conform to the expected format or structure, leading to the inability to apply the specified sort sequence.
  
  Solution:
  
  Check Sort Sequence: Verify the sort sequence specified in the report or configuration. Ensure that it is correctly defined and exists in the system.
  Review Report Configuration: Go through the report configuration settings to ensure that all parameters, including sort sequences, are correctly set up.
  Update Data Structure: If the data structure has changed, ensure that the report is updated accordingly to reflect these changes.
  Debugging: If you have access to the ABAP code, you can debug the report to identify where the sort sequence is being set and why it is not recognized.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on configuring sort sequences in reports.
  
  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 for common problems.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is impacting business operations.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.