How To Fix /ISDFPS/MSG_GAF_PE123 - Specified quantity of &1 is smaller than selected serial numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MSG_GAF_PE -

• Message number: 123

• Message text: Specified quantity of &1 is smaller than selected serial numbers

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 /ISDFPS/MSG_GAF_PE123 - Specified quantity of &1 is smaller than selected serial numbers ?

  The SAP error message /ISDFPS/MSG_GAF_PE123 indicates that the specified quantity of a material is smaller than the quantity of selected serial numbers. This typically occurs in scenarios where you are trying to process a material that is serialized, and the system expects a certain quantity based on the selected serial numbers.
  Cause:
  
  Mismatch in Quantity: The quantity you are trying to process (e.g., during goods movement, delivery, or production) is less than the number of serial numbers that have been selected. For example, if you have selected 5 serial numbers but are trying to post a quantity of 3, this error will occur.
  Incorrect Serial Number Selection: You may have inadvertently selected more serial numbers than the quantity you intend to process.
  System Configuration: There may be issues with how serial numbers are configured in the system, leading to discrepancies.
  
  Solution:
  
  Check Selected Serial Numbers: Review the serial numbers you have selected. Ensure that the number of selected serial numbers matches the quantity you are trying to process. If you have selected too many, deselect the excess serial numbers.
  Adjust Quantity: If you need to process all selected serial numbers, adjust the quantity you are trying to post to match the number of selected serial numbers.
  Review Document Flow: If this error occurs during a transaction that involves multiple steps (like delivery or production), check the document flow to ensure that all previous steps have been completed correctly.
  Consult with SAP Support: If the issue persists and you believe it is not due to user error, consult with your SAP support team or check SAP Notes for any known issues related to this error message.
  
  Related Information:
  
  Transaction Codes: This error can occur in various transactions involving serial numbers, such as MIGO (Goods Movement), VL01N (Create Outbound Delivery), or CO01 (Create Production Order).
  Serial Number Management: Ensure that your organization’s serial number management practices are well-defined and that users are trained on how to handle serialized items.
  SAP Documentation: Refer to SAP Help documentation for more details on serial number management and error handling.
  
  By following these steps, you should be able to resolve the error and proceed with your transaction.