How To Fix IS128 - Serial number master from reference does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: IS - Equipment management

• Message number: 128

• Message text: Serial number master from reference does not exist

What causes this issue?

You have entered a serial number master record as a reference that
does not exist in your system.

System Response

INCLUDE 'KEINE-VERARBEITUNG' OBJECT DOKU ID TX LANGUAGE E

How to fix this error?

Enter a valid serial number master. This is uniquely identified by the
combination of <GL:material_number>material number</> and
<GL:serial_number>serial number</>. Make sure that you enter
<ZH>both</> numbers correctly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IS128 - Serial number master from reference does not exist ?

  The SAP error message IS128, which states "Serial number master from reference does not exist," typically occurs in the context of handling serial numbers in inventory management or logistics processes. This error indicates that the system is unable to find a serial number that is referenced in a transaction or process, which can lead to issues in inventory tracking, goods movement, or sales order processing.
  Causes:
  
  Missing Serial Number: The serial number that is being referenced does not exist in the system. This could be due to data entry errors or the serial number not being created in the system.
  Incorrect Reference: The reference document (like a delivery, order, or material document) may not have the correct serial number associated with it.
  Deletion of Serial Number: The serial number might have been deleted or archived, making it unavailable for the current transaction.
  Incorrect Configuration: There may be configuration issues in the serial number management settings in SAP.
  
  Solutions:
  
  Verify Serial Number: Check if the serial number exists in the system. You can do this by using transaction codes like IQ03 (Display Serial Number) to see if the serial number is valid and active.
  Check Reference Document: Ensure that the reference document (like a delivery or order) is correctly linked to the serial number. You may need to review the document flow to confirm that the serial number is correctly assigned.
  Create Missing Serial Number: If the serial number does not exist, you may need to create it using transaction IQ01 (Create Serial Number) or ensure that it is generated during the relevant transaction.
  Review Configuration: Check the configuration settings for serial number management in the system. Ensure that the settings align with your business processes and that serial numbers are being managed correctly.
  Consult Documentation: Review SAP documentation or help resources for specific guidance related to serial number management and error handling.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  IQ01: Create Serial Number
  IQ02: Change Serial Number
  IQ03: Display Serial Number
  IQ04: Display Serial Number History
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to serial number management that might address this error.
  User Authorization: Ensure that the user has the necessary authorizations to view and manage serial numbers in the system.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the specific configuration and data integrity of your SAP system.