How To Fix CNV_MBT335 - Selection group &1 is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 335

• Message text: Selection group &1 is not 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 CNV_MBT335 - Selection group &1 is not defined ?

  The SAP error message CNV_MBT335 indicates that a selection group specified in a conversion or migration process is not defined in the system. This error typically arises during data migration activities, particularly when using SAP's Migration Cockpit or other data transfer tools.
  Cause:
  
  Missing Definition: The selection group referenced in the error message has not been defined in the system. This could be due to a configuration oversight or an incomplete setup.
  Incorrect Configuration: The selection group might have been incorrectly configured or deleted, leading to the system being unable to recognize it.
  Transport Issues: If the selection group was supposed to be transported from another system (like a development or quality assurance system) and the transport did not occur, it may not exist in the target system.
  
  Solution:
  
  Check Configuration: Verify that the selection group is correctly defined in the system. You can do this by navigating to the relevant configuration area in the SAP system where selection groups are maintained.
  Define the Selection Group: If the selection group is indeed missing, you will need to create it. This typically involves:
  
  Accessing the relevant transaction (e.g., using transaction codes like SE11 for Data Dictionary or SE80 for Object Navigator).
  Defining the selection group according to the specifications required for your migration or conversion process.
  
  
  Review Transport Requests: If the selection group was supposed to be transported, check the transport requests to ensure that they were successfully imported into the target system.
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific instructions or prerequisites for defining selection groups.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is part of a larger migration project.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in managing selection groups, such as SE11, SE80, or specific migration-related transactions.
  SAP Notes: Search for SAP Notes related to the error message CNV_MBT335 for any patches or updates that may address the issue.
  Migration Cockpit: If you are using the SAP Migration Cockpit, ensure that you are following the correct steps for defining and using selection groups as per the guidelines provided in the cockpit documentation.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.