How To Fix CNVA_20201_CHECK020 - No Mapping maintained

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20201_CHECK - Number range object analysis

• Message number: 020

• 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 CNVA_20201_CHECK020 - No Mapping maintained ?

  The SAP error message CNVA_20201_CHECK020: No Mapping maintained typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is no mapping defined for a specific data element or object that you are trying to migrate.
  Cause:
  
  Missing Mapping Entries: The most common cause of this error is that the required mapping for the source data to the target data structure has not been defined in the migration cockpit.
  Incorrect Configuration: The configuration settings for the migration might not be set up correctly, 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.
  
  Solution:
  
  
  Define Mapping: 
  
  Go to the Migration Cockpit and check the mapping settings. Ensure that all necessary mappings for the data elements you are trying to migrate are defined.
  If mappings are missing, you will need to create them. This can usually be done in the migration cockpit by selecting the appropriate source and target fields.
  
  
  
  Check Migration Objects: 
  
  Review the migration objects you are using. Ensure that they are correctly configured and that all required fields are included in the mapping.
  
  
  
  Consult Documentation: 
  
  Refer to the SAP documentation for the specific migration object you are working with. This documentation often provides guidance on required mappings and configurations.
  
  
  
  Test with Sample Data: 
  
  If possible, test the migration with a small set of sample data to identify any mapping issues before performing a full migration.
  
  
  
  Seek Help from SAP Support: 
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide insights specific to your system configuration and migration scenario.
  
  
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit, as it is the primary tool for data migration in S/4HANA.
  Mapping Guidelines: Review any guidelines or best practices provided by SAP for mapping data during migration.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  
  By following these steps, you should be able to resolve the CNVA_20201_CHECK020 error and successfully complete your data migration.