How To Fix 9J481 - Material & cannot be entered twice

SAP Error Message - Details

• Message type: E = Error

• Message class: 9J -

• Message number: 481

• Message text: Material & cannot be entered twice

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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 9J481 - Material & cannot be entered twice ?

  The SAP error message 9J481, which states "Material & cannot be entered twice," typically occurs in the context of material master data or during transactions where materials are being processed, such as in inventory management or procurement.
  Cause:
  This error usually arises when:
  
  Duplicate Entry: The system detects that the same material is being entered more than once in a single transaction or document. This can happen in various scenarios, such as during the creation of a purchase order, goods receipt, or inventory transfer.
  Configuration Settings: Certain configurations in the SAP system may restrict the entry of duplicate materials in specific transactions.
  Data Integrity Rules: SAP has built-in data integrity rules to prevent duplicate entries that could lead to inconsistencies in inventory management or financial reporting.
  
  Solution:
  To resolve the error, consider the following steps:
  
  
  Check for Duplicates: Review the transaction or document you are trying to process. Ensure that the material is not already listed. If it is, remove the duplicate entry.
  
  
  Review Transaction Logic: If you are using a custom program or transaction, check the logic to ensure it does not inadvertently attempt to add the same material multiple times.
  
  
  Consult Documentation: Refer to SAP documentation or help files related to the specific transaction you are working with to understand the rules regarding material entries.
  
  
  System Configuration: If you believe the error is due to system configuration, consult with your SAP Basis or configuration team to review the settings related to material entry in the relevant module.
  
  
  Error Handling in Custom Programs: If this error occurs in a custom program, ensure that the program includes proper error handling and checks for existing materials before attempting to add them.
  
  
  User Training: Ensure that users are trained on the correct procedures for entering materials to avoid unintentional duplicate entries.
  
  
  Related Information:
  
  Transaction Codes: The error can occur in various transaction codes, such as ME21N (Create Purchase Order), MIGO (Goods Movement), or MIRO (Invoice Verification).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Material Master Data: Familiarize yourself with the material master data structure and how it is used in different SAP modules (MM, SD, PP, etc.).
  Support: If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to prevent it from occurring in the future.