How To Fix /INCMD/MSG349 - Duplicate Data maintained in item table

SAP Error Message - Details

• Message type: E = Error

• Message class: /INCMD/MSG -

• Message number: 349

• Message text: Duplicate Data maintained in item table

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /INCMD/MSG349 - Duplicate Data maintained in item table ?

  The SAP error message /INCMD/MSG349 Duplicate Data maintained in item table typically indicates that there are duplicate entries in the item table for a specific transaction or document. This can occur in various contexts, such as during the creation of a sales order, purchase order, or any other document that involves item entries.
  Cause:
  
  Duplicate Entries: The most common cause is that the same item has been entered multiple times in the item table for the same document.
  Data Migration Issues: If data has been migrated from another system, it’s possible that duplicates were introduced during the migration process.
  User Error: Users may inadvertently enter the same item multiple times while creating or editing a document.
  System Configuration: Certain configurations or customizations in the SAP system may lead to unintended duplicate entries.
  
  Solution:
  
  Identify Duplicates: Check the item table for the specific document to identify the duplicate entries. You can do this by querying the database or using transaction codes like SE16 or SE11 to view the relevant tables.
  Remove Duplicates: Once identified, you can either delete the duplicate entries or modify the document to ensure that only unique items are present.
  Data Validation: Implement validation checks in the user interface to prevent users from entering duplicate items in the future.
  Review Data Migration Processes: If the issue arose from data migration, review the migration scripts or processes to ensure that they include checks for duplicates.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific module you are working with for additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE16 (Data Browser), SE11 (Data Dictionary), or specific transaction codes related to the document type you are working with (e.g., VA01 for sales orders).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Training: Provide training to users on how to properly enter data to minimize the risk of duplicates.
  Custom Development: If necessary, consider custom development to enhance the user interface and prevent duplicate entries.
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.