How To Fix WZRE_ALE_MONITOR020 - IDoc &: Segment & not found (Comparison will be cancelled)

WZRE_ALE_MONITOR020 - Overview

• Message type: E = Error

• Message class: WZRE_ALE_MONITOR -

• Message number: 020

• Message text: IDoc &: Segment & not found (Comparison will be cancelled)

Self-Explanatory Message

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WZRE_ALE_MONITOR020 - Details

• Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WZRE_ALE_MONITOR020: IDoc & : Segment & not found (Comparison will be cancelled)
  
  
  Cause:
  This error occurs during the ALE (Application Link Enabling) monitoring or IDoc processing when the system tries to compare or process an IDoc segment that does not exist in the IDoc structure or the segment definition is missing in the system.
  Possible reasons include:
  
  The IDoc segment referenced in the message is not defined in the IDoc type or is missing in the segment definition.
  The IDoc type or segment definition is inconsistent or incomplete in the system.
  The IDoc being processed is corrupted or incomplete.
  There is a mismatch between the IDoc structure expected by the system and the actual IDoc received.
  The system is trying to compare IDocs (e.g., during monitoring or ALE distribution) but cannot find the segment in the IDoc metadata.
  
  
  
  Solution:
  
  
  Check IDoc Type and Segment Definitions:
  
  Use transaction WE30 (IDoc Type