How To Fix MFLE_TOOLS154 - MATNR_INT &1 in client &2 is a duplicate of an archived material number

SAP Error Message - Details

• Message type: E = Error

• Message class: MFLE_TOOLS - Msg Type for MFLE_TOOLS

• Message number: 154

• Message text: MATNR_INT &1 in client &2 is a duplicate of an archived material number

What causes this issue?

Duplicate between MATERIALID and MATERIALID_TEMP found

System Response

Conversion of long material numbers not possible

How to fix this error?

Please check why there is a duplicate between the MATERIALID_TEMP
(MANDT and MATNR_INT) and the MATERIALID (MANDT and MATNR_INT)
and correct it to continue with the conversion.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MFLE_TOOLS154 - MATNR_INT &1 in client &2 is a duplicate of an archived material number ?

  The SAP error message MFLE_TOOLS154 indicates that there is a duplicate material number (MATNR) in the system that corresponds to an archived material number. This typically occurs when you attempt to create or modify a material that has the same number as one that has already been archived.
  
  Cause:
  
  Duplicate Material Number: The material number you are trying to use is already associated with an archived material. In SAP, archived materials are those that have been removed from the active database for performance reasons but can still be referenced.
  Data Integrity: SAP enforces data integrity rules to prevent conflicts and ensure that each material number is unique within the system.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Existing Material:
  
  Use transaction code MM03 (Display Material) to check if the material number you are trying to create or modify already exists in the system, even if it is archived.
  If it exists, you