How To Fix CNV_MBT_46186 - Fieldname not maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 186

• Message text: Fieldname not maintained

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46186 - Fieldname not maintained ?

  The SAP error message CNV_MBT_46186: Fieldname not maintained typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a required field name is not properly maintained or mapped in the migration settings.
  Cause:
  
  Missing Field Mapping: The field that is expected to be populated during the migration process is not mapped correctly in the migration template or configuration.
  Incorrect Configuration: The migration settings may not have been configured to include the necessary fields, or the fields may have been omitted inadvertently.
  Data Structure Changes: If there have been changes in the data structure (e.g., during an upgrade or system conversion), the expected fields may no longer exist or may have been renamed.
  
  Solution:
  
  Check Migration Template: Review the migration template or configuration settings to ensure that all required fields are included and correctly mapped.
  Field Mapping: Ensure that the field in question is mapped to the corresponding source field in your data source. If the field is not present, you may need to add it.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the required fields and their mappings.
  Data Validation: Validate the data being migrated to ensure that it conforms to the expected structure and that all necessary fields are populated.
  Adjust Configuration: If the field is optional or not needed, you may need to adjust the configuration to bypass the requirement for that field.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools and templates for data migration.
  Data Migration Best Practices: Review best practices for data migration in SAP environments to avoid common pitfalls and ensure a smooth migration process.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.