How To Fix CNV_NCE_BAS237 - No mapping variants found

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 237

• Message text: No mapping variants found

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_NCE_BAS237 - No mapping variants found ?

  The SAP error message CNV_NCE_BAS237: No mapping variants found 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 the system could not find any mapping variants for the specified data object or structure that you are trying to migrate.
  Causes:
  
  Missing Mapping Variants: The most common cause is that the mapping variants for the specific data object have not been defined or are missing in the system.
  Incorrect Configuration: The configuration settings for the migration project may not be set up correctly, leading to the system not being able to locate the necessary mapping.
  Data Object Not Supported: The data object you are trying to migrate may not be supported by the current version of the migration tool or may require additional configuration.
  Authorization Issues: There may be authorization issues preventing the system from accessing the mapping variants.
  
  Solutions:
  
  
  Check Mapping Variants:
  
  Go to the relevant transaction or tool where mapping variants are defined (e.g., the Migration Cockpit).
  Ensure that the mapping variants for the specific data object are created and active.
  
  
  
  Create Mapping Variants:
  
  If no mapping variants exist, you may need to create them. This typically involves defining how the source data maps to the target structure in SAP.
  Use the appropriate transaction (e.g., LTMC for Migration Cockpit) to create or modify mapping variants.
  
  
  
  Review Configuration:
  
  Check the configuration settings of your migration project to ensure that everything is set up correctly.
  Verify that the correct source and target systems are defined and that the necessary connections are established.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. This can provide insights into the required mapping and configuration steps.
  
  
  
  Check Authorizations:
  
  Ensure that the user executing the migration has the necessary authorizations to access the mapping variants and perform the migration.
  
  
  
  SAP Notes and Support:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  If the issue persists, consider reaching out to SAP Support for assistance.
  
  
  
  Related Information:
  
  Migration Cockpit: The SAP S/4HANA Migration Cockpit is a tool designed to facilitate the migration of data from legacy systems to SAP S/4HANA. Understanding how to use this tool effectively is crucial for successful data migration.
  Data Mapping: Familiarity with data mapping concepts and practices is essential for creating effective mapping variants.
  SAP Community: Engaging with the SAP Community can provide additional insights and solutions from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the CNV_NCE_BAS237 error and successfully proceed with your data migration.