How To Fix LF_SER020 - All serial numbers have been assigned for the delivery

SAP Error Message - Details

• Message type: E = Error

• Message class: LF_SER -

• Message number: 020

• Message text: All serial numbers have been assigned for the delivery

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message LF_SER020 - All serial numbers have been assigned for the delivery ?

  The SAP error message LF_SER020 indicates that all serial numbers have been assigned for a particular delivery. This typically occurs in scenarios where serial number management is enabled, and the system is trying to assign a serial number to a delivery item, but there are no available serial numbers left to assign.
  Cause:
  
  Exhausted Serial Numbers: All serial numbers that are available for the item in question have already been assigned to other deliveries or have been used up.
  Incorrect Configuration: The configuration for serial number management may not be set up correctly, leading to issues in serial number assignment.
  Delivery Quantity Exceeds Available Serial Numbers: The quantity of items being delivered exceeds the number of available serial numbers in the system.
  
  Solution:
  
  
  Check Available Serial Numbers:
  
  Go to the serial number management screen and check if there are any available serial numbers for the item in question.
  If there are no available serial numbers, you may need to create new serial numbers or adjust the existing ones.
  
  
  
  Adjust Delivery Quantity:
  
  Ensure that the quantity of items being delivered does not exceed the number of available serial numbers. If necessary, reduce the delivery quantity to match the available serial numbers.
  
  
  
  Review Serial Number Assignment:
  
  Check if the serial numbers have been assigned correctly in previous transactions. If there are discrepancies, you may need to correct them.
  
  
  
  Configuration Check:
  
  Review the configuration settings for serial number management in the SAP system. Ensure that the settings align with your business processes and that they are correctly set up for the materials in question.
  
  
  
  Create New Serial Numbers:
  
  If you need additional serial numbers, you may need to create new ones in the system. This can typically be done through the serial number management transaction.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on managing serial numbers and resolving related issues.
  
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like IQ01 (Create Serial Number), IQ02 (Change Serial Number), and IQ03 (Display Serial Number) to manage serial numbers.
  Material Master: Ensure that the material master data for the item is correctly set up for serial number management.
  User Exits and BAdIs: If custom logic is implemented, check for any user exits or BAdIs that might affect serial number assignment.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant for further assistance.