How To Fix ED198 - You cannot modify the flow logic before the PBO event

ED198 - Overview

• Message type: E = Error

• Message class: ED - ABAP/4 Editor messages

• Message number: 198

• Message text: You cannot modify the flow logic before the PBO event

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ED198 - You cannot modify the flow logic before the PBO event ?

  The SAP error message ED198, "You cannot modify the flow logic before the PBO event," typically occurs in the context of SAP ABAP programming, particularly when working with screen flow logic in dialog programming. This error indicates that there is an attempt to modify the flow logic of a screen before the Process Before Output (PBO) event has been executed.
  
  Cause:
  The error arises when:
  
  You are trying to change the flow logic (e.g., using statements like CALL SCREEN, LEAVE TO SCREEN, etc.) in a part of the program that is executed before the PBO event.
  The flow logic is being modified in an inappropriate place, such as in the initialization section or in a PAI (Process After Input) event before the PBO has been processed.
  
  
  Solution:
  To resolve this error, you should:
  
  Check the Position of Your Code: Ensure that any modifications to the flow logic are done in the correct event. Flow logic changes should