How To Fix CNV_DMC_SIN249 - Class &1 is not assigned to material &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 249

• Message text: Class &1 is not assigned to material &2

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 CNV_DMC_SIN249 - Class &1 is not assigned to material &2 ?

  The SAP error message CNV_DMC_SIN249 indicates that a specific class (denoted as &1) is not assigned to a material (denoted as &2) in the system. This error typically arises during data migration or conversion processes, particularly when using the SAP Data Migration Cockpit or similar tools.
  Cause:
  
  Class Not Assigned: The specified class is not assigned to the material in the material master data. This can happen if the class was not properly linked during the data migration process.
  Data Inconsistency: There may be inconsistencies in the data being migrated, such as missing or incorrect class assignments.
  Configuration Issues: The configuration settings in the SAP system may not be set up correctly to allow for the assignment of the class to the material.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record for the material in question (transaction code MM03).
  Verify if the class is assigned to the material. If not, you may need to assign it manually.
  
  
  
  Assign Class to Material:
  
  If the class is not assigned, you can assign it using transaction code CL02 (Change Class) or CL01 (Create Class) if the class does not exist.
  Ensure that the class type is appropriate for the material.
  
  
  
  Review Migration Data:
  
  If this error occurred during a migration process, review the data being migrated to ensure that all necessary class assignments are included.
  Check the mapping and transformation rules in the migration tool to ensure that class assignments are correctly defined.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration process you are using. There may be specific guidelines or prerequisites for class assignments.
  
  
  
  Testing:
  
  After making the necessary changes, test the migration process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material
  CL01: Create Class
  CL02: Change Class
  CL03: Display Class
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on class assignments.
  Data Migration Cockpit: Familiarize yourself with the SAP Data Migration Cockpit and its functionalities, as it may provide tools for validating and correcting data before migration.
  
  By following these steps, you should be able to resolve the CNV_DMC_SIN249 error and ensure that the class is properly assigned to the material in your SAP system.