How To Fix WE039 - The line on which the cursor is positioned is not allowed

WE039 - Overview

• Message type: E = Error

• Message class: WE - Messages for EAN Customizing and for EAN management in MM_BD

• Message number: 039

• Message text: The line on which the cursor is positioned is not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WE039 - The line on which the cursor is positioned is not allowed ?

  Certainly! Here's a detailed explanation for the SAP error message WE039: "The line on which the cursor is positioned is not allowed":
  
  Error Message:
  WE039 - The line on which the cursor is positioned is not allowed
  
  
  Cause:
  This error typically occurs in the IDoc (Intermediate Document) processing environment, specifically when working with IDoc segments in transactions like WE02, WE05, WE19, or during IDoc editing or processing.
  
  The message indicates that the user or program is trying to perform an action (such as editing, adding, or deleting) on a line (segment) in the IDoc that is not allowed.
  This can happen because:
  The segment is not modifiable due to its status or because it is a system-controlled segment.
  The cursor is positioned on a control record line or a header segment that is protected.
  The segment is not part of the current processing context or is read-only.
  The user is trying to insert or delete a segment in a place