How To Fix IEN123 - Invalid serial number and material number

SAP Error Message - Details

• Message type: E = Error

• Message class: IEN -

• Message number: 123

• Message text: Invalid serial number and material number

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 IEN123 - Invalid serial number and material number ?

  The SAP error message IEN123, which states "Invalid serial number and material number," typically occurs when there is a mismatch or inconsistency between the serial number and the material number in the system. This error can arise in various scenarios, such as during goods movements, inventory management, or when processing sales orders.
  Causes:
  
  Incorrect Serial Number: The serial number entered does not correspond to the material number in the system.
  Material Not Serialized: The material number may not be set up to use serial numbers in the material master data.
  Inactive Serial Number: The serial number may have been deactivated or is no longer valid.
  Data Entry Errors: Typographical errors during data entry can lead to this error.
  Configuration Issues: The system configuration for serial number management may not be set up correctly.
  
  Solutions:
  
  
  Verify Serial Number and Material Number:
  
  Check if the serial number entered is valid for the specified material number.
  Use transaction codes like IQ03 (Display Serial Number) to verify the serial number details.
  
  
  
  Check Material Master Data:
  
  Ensure that the material is set up for serial number management. You can check this in the material master record (transaction code MM03).
  Look under the "Basic Data" and "Sales" views to confirm that the serial number management settings are correct.
  
  
  
  Correct Data Entry:
  
  Double-check for any typographical errors in the serial number or material number.
  Ensure that the correct format is being used for both numbers.
  
  
  
  Review Serial Number Status:
  
  Check if the serial number is active and has not been marked for deletion or deactivated in the system.
  
  
  
  Consult Configuration Settings:
  
  If you have access, review the configuration settings for serial number management in the SAP system (transaction code SPRO).
  Ensure that the settings align with your business processes and requirements.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  IQ01: Create Serial Number
  IQ02: Change Serial Number
  IQ03: Display Serial Number
  MM03: Display Material Master
  SPRO: Customizing (Configuration)
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on serial number management and material master data.
  
  
  By following these steps, you should be able to identify the cause of the IEN123 error and implement the appropriate solution.