How To Fix LK009 - Inconsistency of data in the individual IDOC segments

LK009 - Overview

• Message type: E = Error

• Message class: LK - WM -> SUB connection messages

• Message number: 009

• Message text: Inconsistency of data in the individual IDOC segments

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message LK009 - Inconsistency of data in the individual IDOC segments ?

  The SAP error message LK009, which indicates "Inconsistency of data in the individual IDOC segments," typically arises during the processing of IDocs (Intermediate Documents) in SAP. This error suggests that there is a mismatch or inconsistency in the data contained within the segments of the IDoc, which can prevent successful processing.
  Causes of LK009 Error
  
  
  Data Mismatch: The data in the IDoc segments may not conform to the expected format or structure. This can happen if the data is incorrectly formatted or if required fields are missing.
  
  
  Segment Structure Changes: If there have been changes to the IDoc structure (e.g., adding or removing segments or fields) in the SAP system, and the IDoc being processed does not match the new structure, inconsistencies can occur.
  
  
  Incorrect Mapping: If the IDoc is being generated from an external system, incorrect mapping of fields can lead to inconsistencies.
  
  
  Data Type Issues: If the data types of the fields in