How To Fix CNV_MBT_46395 - Member type &1 not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 395

• Message text: Member type &1 not defined

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46395 - Member type &1 not defined ?

  The SAP error message CNV_MBT_46395 indicates that there is an issue with a member type that is not defined in the context of a data migration or conversion process. This error typically arises during the execution of a migration project, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error occurs when the system encounters a member type (e.g., a specific data structure or category) that is expected but not defined in the system. This can happen due to several reasons:
  
  Missing Configuration: The member type may not have been configured in the system prior to the migration.
  Incorrect Mapping: The mapping of data from the source system to the target system may be incorrect or incomplete.
  Data Model Changes: Changes in the data model between the source and target systems may lead to discrepancies in expected member types.
  Custom Developments: If there are custom developments or enhancements, they may not be properly accounted for in the migration process.
  
  Solution:
  To resolve the error CNV_MBT_46395, you can take the following steps:
  
  
  Check Configuration: Verify that the member type in question is correctly defined in the target system. This may involve checking the relevant customizing settings in SAP.
  
  
  Review Mapping: Examine the mapping of the data fields from the source to the target system. Ensure that all required member types are correctly mapped and defined.
  
  
  Consult Documentation: Refer to the migration documentation provided by SAP for the specific migration project you are working on. This documentation may provide insights into required configurations and member types.
  
  
  Use Transaction Codes: Utilize relevant transaction codes (e.g., SE11 for Data Dictionary, SE80 for Object Navigator) to check the definitions of the member types and ensure they exist.
  
  
  Check for Updates: Ensure that your SAP system is up to date with the latest support packages and notes, as SAP may have released fixes or updates that address this issue.
  
  
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurred.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on data migration issues.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, which may include troubleshooting tips and best practices.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.