How To Fix IDCN408 - Adjustment not allowed for two identical items

SAP Error Message - Details

• Message type: E = Error

• Message class: IDCN -

• Message number: 408

• Message text: Adjustment not allowed for two identical items

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IDCN408 - Adjustment not allowed for two identical items ?

  The SAP error message IDCN408, which states "Adjustment not allowed for two identical items," typically occurs in the context of inventory management or material movements. This error indicates that the system has detected an attempt to make an adjustment (such as a stock transfer, inventory count adjustment, or similar operation) for two identical items, which is not permitted.
  Cause:
  
  Identical Items: The error arises when the system identifies two items that are considered identical in terms of their material number, batch, or other key attributes. SAP does not allow adjustments for two identical items simultaneously to prevent data inconsistencies.
  Configuration Issues: There may be specific configuration settings in the system that restrict adjustments for identical items.
  User Error: The user may have inadvertently selected the same item twice for an adjustment operation.
  
  Solution:
  
  Check Item Selection: Review the items you are trying to adjust. Ensure that you are not selecting the same item more than once. If you are, remove the duplicate entry.
  Adjust One Item at a Time: If you need to adjust two identical items, perform the adjustment for one item first, and then repeat the process for the second item.
  Review Configuration: If the issue persists, consult with your SAP administrator or support team to review the configuration settings related to inventory adjustments. They may need to adjust settings or provide guidance on how to handle such cases.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling inventory adjustments and related error messages.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be involved in inventory adjustments, such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), or MI01 (Physical Inventory Document).
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  User Training: Ensure that users involved in inventory management are trained on the correct procedures for making adjustments to avoid common pitfalls that lead to this error.
  
  If the problem continues after following these steps, it may be beneficial to engage with SAP support for further assistance.