How To Fix SALV_X_API066 - Unknown aggregation function code '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 066

• Message text: Unknown aggregation function code '&1'

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 SALV_X_API066 - Unknown aggregation function code '&1' ?

  The SAP error message SALV_X_API066 Unknown aggregation function code '&1' typically occurs when there is an issue with the aggregation function being used in an ALV (ABAP List Viewer) report. This error indicates that the system does not recognize the aggregation function code specified in the code.
  Cause:
  
  Invalid Aggregation Function: The aggregation function code provided in the ALV configuration is not valid or recognized by the system.
  Typographical Error: There may be a typo in the aggregation function code.
  Unsupported Function: The function code may not be supported in the context where it is being used.
  Version Compatibility: The function may not be available in the version of SAP you are using.
  
  Solution:
  
  
  Check Aggregation Function Code: Verify the aggregation function code you are using. Ensure that it is a valid code recognized by the ALV framework. Common aggregation functions include SUM, COUNT, AVG, etc.
  
  
  Correct Typographical Errors: If there is a typo in the function code, correct it to match the expected format.
  
  
  Review Documentation: Consult the SAP documentation or the ALV function module documentation to ensure that the function you are trying to use is supported.
  
  
  Update Code: If you are using a custom aggregation function, ensure that it is properly defined and registered in the system.
  
  
  Check for Compatibility: If you are working in a specific version of SAP, check if the aggregation function is supported in that version.
  
  
  Debugging: If the issue persists, consider debugging the code to trace where the aggregation function is being set and how it is being processed.
  
  
  Related Information:
  
  ALV Documentation: Review the official SAP documentation for ALV and aggregation functions to understand the available options and their usage.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message.
  Community Forums: Engage with SAP community forums or support channels to see if others have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.