How To Fix CNV_MBT_46256 - New member type definition created

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 256

• Message text: New member type definition created

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46256 - New member type definition created ?

  The SAP error message CNV_MBT_46256 typically relates to issues encountered during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that a new member type definition has been created, which may not align with the existing data model or configuration.
  Cause:
  
  Inconsistent Data Model: The error may arise when the migration process attempts to create a new member type that does not match the expected structure or definitions in the target system.
  Configuration Issues: There may be discrepancies in the configuration settings between the source and target systems, leading to the creation of unexpected member types.
  Data Mapping Errors: If the data mapping is not correctly defined, it can lead to the generation of new member types that are not recognized by the system.
  
  Solution:
  
  Review Migration Settings: Check the migration settings and ensure that the data mapping is correctly defined. Make sure that all required fields and types are properly configured.
  Adjust Data Model: If a new member type is being created, review the data model in the target system to see if it needs to be adjusted to accommodate the new member type.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines or best practices for handling member types.
  Error Logs: Check the error logs for more detailed information about the context in which the error occurred. This can provide insights into what specific data or configuration is causing the issue.
  Testing: Conduct tests with a smaller dataset to identify if the issue persists. This can help isolate the problem and determine if it is data-specific or configuration-related.
  SAP Support: If the issue cannot be resolved, consider reaching out to SAP Support for assistance. They may provide patches or updates that address the issue.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it may contain troubleshooting steps or FAQs related to member type definitions.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues. They may share their experiences and solutions.
  
  By following these steps, you should be able to diagnose and resolve the CNV_MBT_46256 error effectively.