How To Fix MM364 - Duplicate entries for parameter &1

MM364 - Overview

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 364

• Message text: Duplicate entries for parameter &1

What causes this issue?

Parameter &V1& contains records with a duplicate key.

System Response

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

How to fix this error?

Delete the records that have a duplicate key in parameter &V1&, then
call BAPI_MATERIAL_SAVEREPLICA again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM364 - Duplicate entries for parameter &1 ?

  The SAP error message MM364, which states "Duplicate entries for parameter &1," typically occurs in the Materials Management (MM) module when there are duplicate entries in the configuration or master data that the system is trying to process. This can happen in various contexts, such as when dealing with purchasing info records, material master data, or vendor master data.
  
  Cause:
  
  Duplicate Master Data: There may be duplicate entries in the material master, vendor master, or purchasing info records.
  
  Configuration Issues: The system configuration may allow for duplicate entries in certain parameters, leading to conflicts.
  Data Migration Issues: If data was migrated from another system, it may have introduced duplicates that were not present in the original system.
  User Input Errors: Users may inadvertently create duplicate entries while entering data.
  
  
  Solution:
  
  
  Identify Duplicates:
  
  Use transaction codes like MM03 (Display Material), ME13 (Display Info Record), or MK03 (Display Vendor) to check for duplicates.
  You can also run reports or queries to