How To Fix J3RM_RN026 - Material &1 is traceable by Serial Numbers, but Serial number is missing

SAP Error Message - Details

• Message type: E = Error

• Message class: J3RM_RN - Message class for RN documents processing

• Message number: 026

• Message text: Material &1 is traceable by Serial Numbers, but Serial number is missing

What causes this issue?

You have set up <LS>Management by Serial Number </>in
<DS:TRAN.J3RMRNGOODSV>Maintain Material Management Methods for
Traceability</> for this material, but the document item does not
contain a serial number.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message J3RM_RN026 - Material &1 is traceable by Serial Numbers, but Serial number is missing ?

  The SAP error message J3RM_RN026 indicates that a material is set up to be traceable by serial numbers, but the system has detected that a required serial number is missing during a transaction. This typically occurs in scenarios involving inventory management, goods movements, or production processes where serial number tracking is mandatory.
  Cause:
  
  Missing Serial Number: The most straightforward cause is that the transaction being processed requires a serial number, but none has been provided.
  Configuration Issues: The material master may be incorrectly configured, or the serial number management settings may not align with the transaction requirements.
  User Error: The user may have overlooked entering the serial number during the transaction process.
  System Bugs or Inconsistencies: Occasionally, there may be bugs or inconsistencies in the system that lead to this error.
  
  Solution:
  
  Enter Serial Number: Ensure that a valid serial number is entered during the transaction. This can often be done in the relevant field of the transaction screen.
  Check Material Master Settings: Verify the material master data for the affected material. Ensure that the serial number management settings are correctly configured. You can do this by:
  
  Navigating to the material master (transaction code MM03).
  Checking the "General Plant Data/Storage" view for serial number management settings.
  
  
  Review Transaction Type: Ensure that the transaction type being executed is appropriate for the material's serial number requirements.
  Consult Documentation: If the issue persists, consult SAP documentation or your organization's SAP support team for further guidance.
  User Training: If user error is a frequent cause, consider providing additional training on the importance of serial number entry and the processes involved.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  MM03: Display Material Master
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  MB1C: Other Goods Receipts
  
  
  Serial Number Management: Understand how serial number management works in SAP, including how to create, manage, and track serial numbers.
  SAP Notes: Check for any SAP Notes related to this error message for potential patches or updates that may resolve the issue.
  Support: If the problem cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.