How To Fix M_023 - Two or more archived materials with the provided MATNR_EXT exist

M_023 - Overview

• Message type: E = Error

• Message class: M_ - Messages for material field length extension mapping

• Message number: 023

• Message text: Two or more archived materials with the provided MATNR_EXT exist

Self-Explanatory Message

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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 M_023 - Two or more archived materials with the provided MATNR_EXT exist ?

  The SAP error message M_023, which states "Two or more archived materials with the provided MATNR_EXT exist," typically occurs when there are multiple archived materials in the system that share the same external material number (MATNR_EXT). This can happen in scenarios where materials have been archived but not properly managed, leading to duplicates in the archive.
  
  Cause:
  
  Duplicate External Material Numbers: The primary cause of this error is that there are multiple materials in the archive that have the same external material number. This can occur due to data entry errors, system migrations, or improper archiving processes.
  Archiving Process Issues: If the archiving process did not correctly handle the uniqueness of external material numbers, it could lead to multiple entries being archived with the same identifier.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify Duplicates:
  
  Use transaction codes like SE16 or SE11 to query the relevant database tables (e.g., MARA for material master