How To Fix SALV_X_API088 - This operation is allowed for group header rows only

SALV_X_API088 - Overview

• Message type: E = Error

• Message class: SALV_X_API - Messages for ALV API exceptions

• Message number: 088

• Message text: This operation is allowed for group header rows only

Self-Explanatory Message

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SALV_X_API088 - Details

• The SAP error message SALV_X_API088 indicates that an operation you are trying to perform is restricted to group header rows in the context of the SAP ALV (ABAP List Viewer) framework. This typically occurs when you are attempting to manipulate or access data that is not a group header row, such as detail rows or other non-header rows.
  
  Cause:
  The error is triggered when:
  
  You are trying to perform an operation (like aggregation, summarization, or certain manipulations) that is only valid for group header rows.
  The code is incorrectly identifying the row type, or you are trying to apply a function that is not applicable to the current row context.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Row Type: Ensure that the operation you are trying to perform is indeed being applied to a group header row. You can do this by checking the row type before performing the operation.
  
  
  Modify Your Logic: