How To Fix CNV_20011002 - No mapping maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20011 - Fiscal Year Variant

• Message number: 002

• Message text: No mapping maintained

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20011002 - No mapping maintained ?

  The SAP error message CNV_20011002 No mapping 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 there is no mapping defined for the specific data element or field that the system is trying to process.
  Cause:
  
  Missing Mapping: The most common cause is that the mapping for the source data to the target data structure has not been defined in the migration project.
  Incorrect Configuration: The configuration settings for the migration might be incomplete or incorrect, leading to the system not being able to find the necessary mappings.
  Data Structure Changes: If there have been changes in the data structure between the source and target systems, the existing mappings may no longer be valid.
  Custom Fields: If you are trying to migrate custom fields that are not included in the standard mapping, this error can occur.
  
  Solution:
  
  Define Mapping: Go to the migration project and ensure that the necessary mappings for the data elements are defined. This can usually be done in the mapping configuration section of the migration tool.
  Check Configuration: Review the configuration settings to ensure that all required fields and mappings are correctly set up.
  Update Mappings: If there have been changes in the data structure, update the mappings accordingly to reflect the current structure.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to ensure that you are following the correct procedures for mapping.
  Use Migration Templates: If available, use standard migration templates provided by SAP, which may already have the necessary mappings defined.
  Testing: After making changes, perform a test migration to ensure that the mappings are now correctly recognized and that the error does not occur.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions related to this error.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it provides tools for mapping and data transformation.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves complex mappings or custom developments.
  
  By addressing the mapping configuration and ensuring that all necessary mappings are in place, you should be able to resolve the CNV_20011002 error.