How To Fix RU447 - A serial number must be assigned to material & in plant &

SAP Error Message - Details

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 447

• Message text: A serial number must be assigned to material & in plant &

What causes this issue?

In the material master in the warehouse view, a serial number profile
is entered for which a serial number is required.

How to fix this error?

Materials that require a serial number cannot be posted from a
confirmation using automatic goods movements. They can only be posted
using the inventory management transactions.
You must remove the resulting error record from the list
<DS:TRAN.COGI>Automatic goods receipt error handling</> with the
"Delete" function. You cannot carry out error handling here.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RU447 - A serial number must be assigned to material & in plant & ?

  The SAP error message RU447 indicates that a serial number must be assigned to a material in a specific plant. This error typically occurs in scenarios where serial number management is enabled for a material, but a serial number has not been assigned during a transaction that requires it, such as goods movement, production, or sales order processing.
  Cause:
  
  Serial Number Management: The material in question is configured to require serial number management, meaning that each unit of the material must have a unique serial number.
  Missing Serial Number: The transaction being performed does not include a serial number for the material, which is mandatory due to the configuration.
  Incorrect Configuration: The material master data may be incorrectly set up, or the serial number profile may not be properly assigned.
  
  Solution:
  
  Assign a Serial Number: Ensure that a serial number is assigned to the material during the transaction. This can typically be done in the transaction screen where the material is being processed (e.g., during goods receipt, production order confirmation, etc.).
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and check the "Plant Data / Storage" view.
  Verify that the serial number profile is correctly assigned to the material.
  
  
  Review Serial Number Profile: Ensure that the serial number profile assigned to the material allows for the creation and assignment of serial numbers.
  Transaction Type: Make sure that the transaction you are performing is appropriate for the material's serial number requirements. For example, if you are trying to perform a goods movement, ensure that the serial number is included in the movement.
  User Training: If users are frequently encountering this error, consider providing training on how to properly handle materials that require serial numbers.
  
  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 the implications of serial number management in SAP, including how it affects inventory management, sales, and production processes.
  Documentation: Refer to SAP Help documentation for detailed information on serial number management and error handling.
  
  By following these steps, you should be able to resolve the RU447 error and ensure that serial numbers are properly assigned to materials in your SAP system.