How To Fix OIO255 - Serial number is missing in delivery item &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: OIO - Remote Logistics

• Message number: 255

• Message text: Serial number is missing in delivery item &1 &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OIO255 - Serial number is missing in delivery item &1 &2 ?

  The SAP error message OIO255, which states "Serial number is missing in delivery item &1 &2," typically occurs in the context of handling materials that require serial number tracking. This error indicates that a delivery item is expected to have a serial number assigned, but it is missing.
  Cause:
  
  Missing Serial Number: The delivery item in question is configured to require a serial number, but none has been assigned.
  Configuration Issues: The material master may be set up to require serial numbers, but the delivery process does not include the necessary serial number information.
  Incorrect Delivery Process: The delivery might have been created without properly assigning serial numbers to the items.
  Data Entry Errors: During the creation of the delivery or the transfer of items, the serial number may not have been entered or was incorrectly processed.
  
  Solution:
  
  
  Assign Serial Numbers: 
  
  Go to the delivery document in SAP and check the items that are missing serial numbers.
  Manually assign the required serial numbers to the delivery items. This can typically be done in the delivery document by navigating to the item details and entering the serial number.
  
  
  
  Check Material Master Settings:
  
  Verify the material master settings for the affected material. Ensure that the serial number management is correctly configured.
  If the material should not require serial numbers, you may need to adjust the settings in the material master.
  
  
  
  Review Delivery Process:
  
  Ensure that the process for creating deliveries includes steps for assigning serial numbers. This may involve checking the transaction codes used and ensuring that they are being followed correctly.
  
  
  
  Use Transaction Code:
  
  You can use transaction code VL02N (Change Outbound Delivery) to modify the delivery and add the missing serial numbers.
  
  
  
  Check for Batch Management: 
  
  If the material is also batch-managed, ensure that the batch is correctly assigned and that it includes the necessary serial numbers.
  
  
  
  Related Information:
  
  Serial Number Management: Understand how serial number management works in SAP, including the configuration in the material master and the implications for inventory management.
  Documentation: Refer to SAP documentation or help files for detailed steps on managing serial numbers and deliveries.
  User Training: Ensure that users involved in the delivery process are trained on how to handle serial numbers properly to avoid this error in the future.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or bugs related to serial number handling in your version of SAP.
  
  By following these steps, you should be able to resolve the OIO255 error and ensure that your delivery items are correctly processed with the required serial numbers.