How To Fix MDRD401 - Could not define reference for determination &1.

SAP Error Message - Details

• Message type: E = Error

• Message class: MDRD - Messages for Delivery Relationships

• Message number: 401

• Message text: Could not define reference for determination &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.

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

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDRD401 - Could not define reference for determination &1. ?

  The SAP error message MDRD401 "Could not define reference for determination &1" typically occurs in the context of Material Determination or similar processes where the system is unable to find a valid reference for a specific determination process. This can happen in various scenarios, such as during sales order processing, delivery, or other logistics-related transactions.
  Causes:
  
  Missing Configuration: The reference for the material determination might not be properly configured in the system. This could be due to missing entries in the relevant customizing tables.
  Incorrect Material Master Data: The material master data for the materials involved may not be set up correctly, leading to the inability to find a valid reference.
  Inconsistent Condition Records: If the condition records for material determination are not maintained or are inconsistent, the system may not be able to find the necessary references.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the required data for material determination.
  
  Solutions:
  
  
  Check Configuration: 
  
  Go to the customizing settings for Material Determination (Transaction code: SPRO).
  Ensure that the necessary settings for material determination are correctly configured, including the condition types and access sequences.
  
  
  
  Maintain Condition Records:
  
  Use transaction code VK11 to create or maintain condition records for material determination.
  Ensure that the relevant records exist for the materials involved in the transaction.
  
  
  
  Review Material Master Data:
  
  Check the material master data for the materials involved in the transaction (Transaction code: MM03).
  Ensure that all necessary views are maintained and that the materials are correctly set up for the relevant sales organization and distribution channel.
  
  
  
  Check User Authorizations:
  
  Ensure that the user has the necessary authorizations to access the material determination settings and data.
  Consult with your SAP security team if there are any authorization issues.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the reference determination is failing. This may require technical expertise.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  VK11 - Create Condition Record
  VK12 - Change Condition Record
  VK13 - Display Condition Record
  SPRO - Access to Customizing
  
  
  Documentation: Refer to SAP Help documentation for Material Determination for detailed configuration steps and best practices.
  SAP Notes: Check for any relevant SAP Notes that may address known issues related to this error message.
  
  If the problem continues after following these steps, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.