How To Fix SALV_EXCEPTION201 - Aggregation over &3 &4 already exists (class &1 method &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: SALV_EXCEPTION - Exception Messages

• Message number: 201

• Message text: Aggregation over &3 &4 already exists (class &1 method &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message SALV_EXCEPTION201 - Aggregation over &3 &4 already exists (class &1 method &2) ?

  The SAP error message SALV_EXCEPTION201 indicates that there is an attempt to create an aggregation that already exists in the context of the SAP ALV (ABAP List Viewer) framework. This error typically arises when you are trying to define an aggregation (like a sum, average, etc.) on a field that has already been aggregated in the same context.
  
  Cause:
  The error occurs due to the following reasons:
  
  Duplicate Aggregation Definition: You are trying to define an aggregation for a field that has already been aggregated in the same ALV report or context.
  Incorrect Logic in Code: There might be a logical error in your ABAP code where the same aggregation is being defined multiple times inadvertently.
  
  
  Solution:
  To resolve the SALV_EXCEPTION201 error, you can take the following steps:
  
  
  Check Aggregation Definitions: Review your code to ensure that you are not defining the same aggregation for the same field multiple times. Look for any loops or conditions that