How To Fix C$426 - No parameters permitted when accessing repeating group &1&2

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 426

• Message text: No parameters permitted when accessing repeating group &1&2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message C$426 - No parameters permitted when accessing repeating group &1&2 ?

  The SAP error message C$426 "No parameters permitted when accessing repeating group &1&2" typically occurs in the context of SAP's reporting tools, particularly when dealing with ALV (ABAP List Viewer) reports or similar scenarios where data is being displayed in a structured format.
  Cause:
  This error usually arises when there is an attempt to access a repeating group (a group of data that can have multiple entries) with parameters that are not allowed. In SAP, repeating groups are designed to display multiple records, and certain operations or functions may not support parameters when dealing with these groups.
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check the Report Logic: Review the logic of the report or program where the error occurs. Ensure that you are not trying to pass parameters to a function or method that is designed to work with repeating groups.
  
  
  Modify the Data Retrieval Logic: If you are using a SELECT statement or a similar data retrieval method, ensure that it is correctly structured to handle the repeating group without parameters.
  
  
  Review ALV Configuration: If you are using ALV, check the configuration of the ALV grid or list. Ensure that the field catalog and layout settings are correctly defined and that you are not trying to filter or sort the repeating group in a way that is not supported.
  
  
  Debugging: Use the debugging tools in SAP to trace the execution of the program. This can help identify the exact point where the error occurs and provide insights into what parameters are being incorrectly passed.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on handling repeating groups in the context of your report or application.
  
  
  Seek Help from SAP Community: If the issue persists, consider reaching out to the SAP community forums or support for additional insights or similar experiences from other users.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  SAP Help Portal: The SAP Help Portal contains extensive documentation on ALV and reporting tools, which may provide additional context and solutions.
  ABAP Development: If you are an ABAP developer, familiarize yourself with the handling of internal tables and data structures, especially when dealing with nested or repeating groups.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.