How To Fix CNV_MBT509 - Selection group & has selection groups as members

CNV_MBT509 - Overview

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 509

• Message text: Selection group & has selection groups as members

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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CNV_MBT509 - Details

• The SAP error message CNV_MBT509 typically occurs in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the selection group configuration, specifically that a selection group is being referenced as a member of itself, which creates a circular reference.
  
  Cause:
  The error is caused by one of the following reasons:
  
  Circular Reference: A selection group is incorrectly configured to include itself as a member, leading to a logical inconsistency.
  Incorrect Grouping: The selection groups may not be properly defined, or there may be overlapping definitions that cause conflicts.
  Data Integrity Issues: There may be issues with the underlying data or configuration that lead to this error.
  
  
  Solution:
  To resolve the CNV_MBT509 error, you can take the following steps:
  
  
  Check Selection Group Configuration:
  
  Go to the configuration settings for the selection groups in the SAP system.
  Ensure that no selection group is