How To Fix AB063 - Use of ALV grid not supported for hierarchical lists!

AB063 - Overview

• Message type: E = Error

• Message class: AB -

• Message number: 063

• Message text: Use of ALV grid not supported for hierarchical lists!

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 AB063 - Use of ALV grid not supported for hierarchical lists! ?

  The SAP error message AB063: Use of ALV grid not supported for hierarchical lists typically occurs when you are trying to use the ALV (ABAP List Viewer) grid display for a hierarchical list. The ALV grid is designed for flat lists and does not support hierarchical data structures, which can lead to this error.
  
  Cause:
  
  Hierarchical Data Structure: The data you are trying to display is in a hierarchical format (e.g., parent-child relationships), which is not compatible with the ALV grid.
  Incorrect Function Module: You might be using a function module or method that is intended for flat lists instead of one that supports hierarchical data.
  
  Configuration Issues: There may be configuration settings in your ALV report that are not set up to handle hierarchical data.
  
  
  Solution:
  
  
  Use Hierarchical ALV: Instead of using the standard ALV grid, you should use the Hierarchical ALV (HALV). This is specifically designed to handle hierarchical data structures. You can use