How To Fix MM_PUR_SES164 - Duplicate items with the same item ID: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MM_PUR_SES -

• Message number: 164

• Message text: Duplicate items with the same item ID: &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MM_PUR_SES164 - Duplicate items with the same item ID: &1 ?

  The SAP error message MM_PUR_SES164 indicates that there are duplicate items with the same item ID in a purchasing document, such as a purchase order or a purchase requisition. This error typically occurs when you attempt to create or modify a purchasing document that contains multiple entries for the same item, which is not allowed in SAP.
  Cause:
  
  Duplicate Entries: The most common cause is that the same item has been added multiple times to the purchasing document, either manually or through a system error.
  Data Import Issues: If data is being imported from an external system or through a batch input session, it may inadvertently create duplicates.
  User Error: Users may accidentally add the same item multiple times while creating or editing a document.
  
  Solution:
  
  Check the Document: Review the purchasing document for duplicate entries. You can do this by navigating to the document in question and checking the item list.
  Remove Duplicates: If duplicates are found, remove the extra entries. Ensure that each item ID appears only once in the document.
  Data Validation: Implement validation checks in your processes to prevent users from adding duplicate items in the future.
  Review Import Processes: If the issue arises from data imports, review the import logic to ensure it checks for existing items before adding new ones.
  Consult Documentation: Refer to SAP documentation or your organization's guidelines for handling purchasing documents to ensure compliance with best practices.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like ME21N (Create Purchase Order) or ME52N (Change Purchase Requisition) to access and modify purchasing documents.
  SAP Notes: Check for any relevant SAP Notes that may address this issue or provide additional guidance.
  User Training: Consider providing training for users on how to properly create and manage purchasing documents to minimize the risk of duplicates.
  System Configuration: If this is a recurring issue, it may be worth reviewing the system configuration or consulting with your SAP Basis or functional team to ensure that the system is set up correctly to handle purchasing documents.
  
  By following these steps, you should be able to resolve the MM_PUR_SES164 error and prevent it from occurring in the future.