How To Fix M7421 - Item & does not require a serial number

SAP Error Message - Details

• Message type: E = Error

• Message class: M7 - Inventory Management and Physical Inventory

• Message number: 421

• Message text: Item & does not require a serial 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 M7421 - Item & does not require a serial number ?

  The SAP error message M7421 ("Item & does not require a serial number") typically occurs during the processing of a material document, such as when trying to post a goods movement or create a delivery for a material that is not configured to require serial numbers.
  Cause:
  
  Material Master Configuration: The material in question is set up in the material master (MM) without the requirement for serial numbers. This can happen if the material is not defined as a serialized item in the material master data.
  Document Type: The document type being used may not support serial number tracking for the specific material.
  Transaction Type: The transaction being executed may not be appropriate for items that require serial numbers.
  
  Solution:
  
  
  Check Material Master Settings:
  
  Go to the material master record (transaction code MM03) and check the "Basic Data" and "Sales" views to ensure that the serial number requirement is set correctly.
  If the material should require a serial number, you may need to change the settings in the material master to indicate that it is a serialized item.
  
  
  
  Review Document Type and Transaction:
  
  Ensure that the document type you are using supports serial number tracking. If necessary, consult with your SAP configuration team to verify the settings for the document type.
  Make sure you are using the correct transaction for the type of material you are working with.
  
  
  
  Adjust Serial Number Management:
  
  If the material is indeed supposed to be serialized, you may need to adjust the serial number management settings in the system. This can involve configuration changes in the SAP system.
  
  
  
  Consult with SAP Support:
  
  If you are unable to resolve the issue through the above steps, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), and MIGO (Goods Movement) are commonly used to manage materials and their settings.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on serial number management.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to make changes to material master data and to perform the transactions you are attempting.
  
  By following these steps, you should be able to identify the cause of the M7421 error and implement the appropriate solution.