How To Fix LF_SER029 - Serial numbers have been posted

SAP Error Message - Details

• Message type: E = Error

• Message class: LF_SER -

• Message number: 029

• Message text: Serial numbers have been posted

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 LF_SER029 - Serial numbers have been posted ?

  The SAP error message LF_SER029 indicates that serial numbers have already been posted for a particular transaction or document. This typically occurs in scenarios involving inventory management, sales, or production where serial numbers are tracked for individual items.
  Cause:
  The error arises when you attempt to perform an action (like changing or deleting a document) that is not allowed because the serial numbers associated with that document have already been posted. This can happen in various contexts, such as:
  
  Attempting to reverse a goods movement or delivery that has already been completed.
  Trying to change the status of a serialized item that has already been processed.
  Attempting to delete or modify a document that has linked serial numbers.
  
  Solution:
  To resolve the LF_SER029 error, consider the following steps:
  
  
  Check Document Status: Verify the status of the document you are trying to modify. If it has already been posted, you may need to follow the appropriate procedures for reversing or correcting posted documents.
  
  
  Review Serial Number Assignment: Ensure that the serial numbers you are working with are correctly assigned and that you are not trying to manipulate a document that has already been finalized.
  
  
  Use the Correct Transaction: If you need to make changes, ensure you are using the correct transaction code that allows for the necessary adjustments. For example, if you need to reverse a goods movement, use the appropriate transaction for that purpose.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling serial numbers and posted documents. This can provide insights into the correct procedures to follow.
  
  
  Contact Support: If you are unable to resolve the issue, consider reaching out to your SAP support team or consulting with an SAP expert who can provide assistance based on your specific system configuration and business processes.
  
  
  Related Information:
  
  Serial Number Management: Understanding how serial numbers are managed in SAP can help prevent this error. Familiarize yourself with the processes for assigning, tracking, and posting serial numbers.
  Transaction Codes: Common transaction codes related to serial number management include:
  
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  MB1C: Other Goods Receipts
  VL01N: Create Outbound Delivery
  MIGO: Goods Movement
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to serial number handling that may be relevant to your version of SAP.
  
  By following these steps and understanding the context of the error, you should be able to address the LF_SER029 message effectively.