How To Fix SADL_EXPOSURE020 - Unsupported aggregate function &1

SAP Error Message - Details

• Message type: E = Error

• Message class: SADL_EXPOSURE - Errors During Exposure Compilation

• Message number: 020

• Message text: Unsupported aggregate function &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 SADL_EXPOSURE020 - Unsupported aggregate function &1 ?

  The SAP error message SADL_EXPOSURE020 indicates that there is an unsupported aggregate function being used in a query or data model within the SAP system, particularly when working with the SAP ABAP programming model for data access. This error typically arises when the system encounters an aggregate function that it does not recognize or support in the context of the operation being performed.
  Cause:
  
  Unsupported Aggregate Function: The aggregate function specified in the query is not supported by the underlying data model or the SAP Data Access Layer (SADL).
  Incorrect Syntax: There may be a syntax error in the way the aggregate function is being called or used in the query.
  Incompatibility with Data Source: The data source being queried may not support the specific aggregate function due to limitations in the database or the data model.
  
  Solution:
  
  Check Supported Functions: Review the documentation for the specific version of SAP you are using to identify which aggregate functions are supported. Replace the unsupported function with a supported one.
  Review Query Syntax: Ensure that the syntax of the query is correct. Look for any typos or incorrect usage of the aggregate function.
  Modify Data Model: If you have control over the data model, consider modifying it to support the required aggregate function, if feasible.
  Use Alternative Approaches: If the aggregate function cannot be supported, consider using alternative methods to achieve the desired result, such as performing the aggregation in a different layer of the application or using a different query structure.
  Consult SAP Notes: Check SAP Notes and the SAP Community for any known issues or patches related to this error message. There may be updates or fixes available that address the problem.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for SADL and the specific data model you are working with to understand the limitations and supported features.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Debugging Tools: Utilize SAP debugging tools to trace the execution of the query and identify where the error is occurring.
  
  By following these steps, you should be able to diagnose and resolve the SADL_EXPOSURE020 error effectively.