How To Fix /VSO/M_MSG409 - Material delivery number unknown, material no.=<&1>

SAP Error Message - Details

• Message type: E = Error

• Message class: /VSO/M_MSG -

• Message number: 409

• Message text: Material delivery number unknown, material no.=<&1>

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 /VSO/M_MSG409 - Material delivery number unknown, material no.=<&1> ?

  The SAP error message /VSO/M_MSG409 Material delivery number unknown, material no.=<&1> typically indicates that the system cannot find the specified material delivery number associated with the given material number. This error can occur in various scenarios, such as during the processing of deliveries, goods movements, or when trying to access material-related data.
  Causes:
  
  Incorrect Material Number: The material number provided may be incorrect or does not exist in the system.
  Missing Delivery Document: The delivery document associated with the material number may not have been created or may have been deleted.
  Data Inconsistency: There may be inconsistencies in the database, such as missing entries in related tables.
  Authorization Issues: The user may not have the necessary authorizations to view or process the material delivery.
  Configuration Issues: There may be configuration issues in the system that prevent the material delivery from being recognized.
  
  Solutions:
  
  Verify Material Number: Check the material number for accuracy. Ensure that it exists in the system and is correctly entered.
  Check Delivery Document: Confirm that the delivery document associated with the material number has been created and is active.
  Review Data Consistency: Use transaction codes like SE11 or SE16 to check the relevant database tables for inconsistencies or missing entries.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the material delivery and related transactions.
  Consult Configuration: If the issue persists, consult with your SAP Basis or configuration team to review the system settings and configurations related to material deliveries.
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes such as VL03N (Display Outbound Delivery) or MB51 (Material Document List) to investigate further.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for material management and delivery processing to ensure that all steps are being followed correctly.
  
  If the problem continues after trying the above solutions, it may be necessary to involve your SAP support team or consult with SAP directly for further assistance.