How To Fix M3398 - Material type & no longer defined

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 398

• Message text: Material type & no longer defined

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M3398 - Material type & no longer defined ?

  The SAP error message M3398, which states "Material type & no longer defined," typically occurs when you are trying to create or modify a material in the SAP system, and the material type you are using is no longer valid or has been deleted from the system.
  Cause:
  
  Material Type Deletion: The material type you are trying to use has been deleted or deactivated in the system.
  Configuration Changes: Changes in the configuration settings of the material types in the SAP system may have led to the material type being undefined.
  Transport Issues: If the material type was recently transported from another system (like a development or quality system), it may not have been properly included or activated in the target system.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or create materials of that type.
  
  Solution:
  
  
  Check Material Type Configuration:
  
  Go to the transaction code SPRO and navigate to the following path: 
  
  Logistics - General > Material Master > Basic Settings > Material Types > Define Attributes of Material Types.
  
  
  Verify if the material type in question is still defined and active.
  
  
  
  Create or Modify Material Type:
  
  If the material type is indeed missing, you may need to create a new material type or restore the deleted one if possible. This requires appropriate configuration access.
  
  
  
  Check Transport Requests:
  
  If the issue arose after a transport, check the transport logs to ensure that the material type was included and activated correctly in the target system.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to create or modify materials of the specified type. This can be checked with the help of your SAP security team.
  
  
  
  Consult Documentation:
  
  Review any documentation or change logs to see if there were any recent changes made to the material types that could have affected the availability of the material type.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot resolve it, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM01 (Create Material)
  MM02 (Change Material)
  MM03 (Display Material)
  
  
  Material Master Data: Understanding how material types are used in the material master data is crucial for managing inventory and procurement processes.
  SAP Notes: Check SAP Notes for any known issues or patches related to material types and the specific error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.