How To Fix TA720 - The SELTAB was changed by exit &1 in the cleanup phase

TA720 - Overview

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 720

• Message text: The SELTAB was changed by exit &1 in the cleanup phase

Self-Explanatory Message

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TA720 - Details

• The SAP error message TA720 indicates that the SELTAB (Selection Table) was modified by an exit during the cleanup phase of a report or transaction. This typically occurs when a user exit or enhancement modifies the selection criteria after the initial selection has been made, which can lead to inconsistencies or unexpected behavior in the report execution.
  
  Cause:
  
  User Exits or Enhancements: The most common cause of this error is a user exit or enhancement that modifies the selection table (SELTAB) during the cleanup phase. This can happen if the exit is not properly coded or if it is not intended to modify the selection criteria at that point in the program execution.
  Incorrect Logic: The logic within the user exit may be incorrect, leading to unintended modifications of the selection criteria.
  Multiple Exits: If there are multiple exits or enhancements that interact with the same selection table, they may conflict with each other,