How To Fix 0K658 - Avoid callback AFTER_LINE_OUTPUT

0K658 - Overview

• Message type: E = Error

• Message class: 0K - Messages for "General List Modules"

• Message number: 658

• Message text: Avoid callback AFTER_LINE_OUTPUT

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message 0K658 - Avoid callback AFTER_LINE_OUTPUT ?

  The SAP error message 0K658 - Avoid callback AFTER_LINE_OUTPUT typically occurs in the context of ABAP programming, particularly when dealing with ALV (ABAP List Viewer) reports or when using certain output methods that involve callbacks.
  
  Cause:
  This error is generally caused by the following scenarios:
  
  
  Improper Use of Callbacks: The error indicates that a callback method is being invoked after the line output has already been processed. In ALV, callbacks are used to handle events like double-clicks or context menu actions, and if they are not managed correctly, this error can occur.
  
  
  Incorrect Sequence of Events: If the program logic attempts to call a method or perform an action that is not allowed after the output has been generated, it can lead to this error.
  
  
  ALV Grid Control: If you are using the ALV Grid Control and have defined a callback for a certain event, ensure that the callback is not being triggered after the