How To Fix /STTPEC/MC_MD087 - GTIN &1 is already used in material &2. Business partner (Cust.) mismatch

/STTPEC/MC_MD087 - Overview

• Message type: E = Error

• Message class: /STTPEC/MC_MD -

• Message number: 087

• Message text: GTIN &1 is already used in material &2. Business partner (Cust.) mismatch

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 /STTPEC/MC_MD087 - GTIN &1 is already used in material &2. Business partner (Cust.) mismatch ?

  The SAP error message /STTPEC/MC_MD087 GTIN &1 is already used in material &2. Business partner (Cust.) mismatch typically occurs in the context of managing materials and their associated Global Trade Item Numbers (GTINs) in SAP. This error indicates that the GTIN you are trying to assign to a material is already in use for another material, but there is a mismatch in the business partner (customer) associated with that GTIN.
  
  Cause:
  
  Duplicate GTIN Assignment: The GTIN you are trying to assign is already linked to another material in the system.
  Business Partner Mismatch: The GTIN is associated with a different business partner (customer) than the one you are trying to use it with. This can happen if the GTIN is meant for a specific customer and you are trying to assign it to a different customer.
  
  
  Solution:
  
  
  Check Existing Assignments:
  
  Use transaction codes like MM03 (Display Material) or MM02 (Change Material) to check which material is