How To Fix /ISDFPS/WM01228 - Material &1 with serial number &2 is already available in the warehouse

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/WM01 -

• Message number: 228

• Message text: Material &1 with serial number &2 is already available in the warehouse

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 /ISDFPS/WM01228 - Material &1 with serial number &2 is already available in the warehouse ?

  The SAP error message /ISDFPS/WM01228 indicates that a material with a specific serial number is already present in the warehouse. This error typically occurs in the context of warehouse management and inventory processes, particularly when dealing with serialized inventory.
  Cause:
  
  Duplicate Serial Number: The most common cause of this error is that the system is trying to process a material with a serial number that already exists in the warehouse. This can happen during goods receipt, stock transfer, or inventory adjustments.
  Incorrect Data Entry: There may be a mistake in data entry where the same serial number is being entered multiple times.
  System Configuration: The system may be configured to prevent duplicate serial numbers for specific materials, leading to this error when an attempt is made to add a duplicate.
  
  Solution:
  
  Check Existing Serial Numbers: Verify if the serial number in question is indeed already in the system. You can do this by checking the inventory records for the specific material and serial number.
  Use Unique Serial Numbers: Ensure that each serialized item has a unique serial number. If you are receiving new stock, make sure that the serial numbers are not duplicated.
  Adjust Inventory: If the serial number is found to be incorrectly recorded or if it needs to be adjusted, you may need to perform an inventory adjustment or correction.
  Review Configuration: If this error is occurring frequently, review the configuration settings in the warehouse management module to ensure that they align with your business processes regarding serialized inventory.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed troubleshooting steps specific to your version of SAP.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MB1A, MB1B, or MIGO to check or adjust inventory.
  Serial Number Management: Familiarize yourself with how SAP handles serial numbers, including settings in the material master and warehouse management configuration.
  User Roles and Permissions: Ensure that the user attempting the transaction has the necessary permissions to view and modify inventory records.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide more in-depth analysis and assistance.