How To Fix CNV_10210016 - Failed to save the mapping variant

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10210 - NCE: CWB Interface

• Message number: 016

• Message text: Failed to save the mapping variant

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_10210016 - Failed to save the mapping variant ?

  The SAP error message CNV_10210016: Failed to save the mapping variant typically occurs in the context of data migration or conversion processes, particularly when using SAP's tools for data transfer, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to save mapping variants.
  Technical Errors: There could be a technical issue with the underlying database or application server that prevents saving.
  Data Integrity Issues: The mapping variant may contain invalid or incomplete data that violates constraints.
  Configuration Issues: Incorrect configuration settings in the migration tool or related components.
  System Performance: High load on the system or database could lead to timeouts or failures in saving data.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary permissions to create and save mapping variants. This may involve checking roles and authorizations in the SAP system.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide insights into the specific cause of the failure.
  Validate Data: Ensure that the mapping variant data is complete and adheres to the required formats and constraints.
  System Health Check: Verify the health of the SAP system, including database performance and server load. Address any performance issues that may be affecting the system.
  Configuration Review: Review the configuration settings of the migration tool to ensure they are set up correctly.
  Retry Saving: Sometimes, simply retrying the operation after a short period can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Refer to the official SAP documentation for the specific migration tool you are using, as it may contain troubleshooting steps or best practices.
  Community Forums: Engage with SAP community forums or support channels where other users may have encountered and resolved similar issues.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.