How To Fix CNV20200457 - &1: added to CNVSTPARS: TIMESTEP=&2,STEPNUM=&3,PARAMVAL=&4

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 457

• Message text: &1: added to CNVSTPARS: TIMESTEP=&2,STEPNUM=&3,PARAMVAL=&4

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200457 - &1: added to CNVSTPARS: TIMESTEP=&2,STEPNUM=&3,PARAMVAL=&4 ?

  The SAP error message CNV20200457 is related to the SAP S/4HANA migration process, specifically during the data conversion phase. This error typically indicates an issue with the parameters being processed in the conversion steps.
  Cause:
  The error message CNV20200457 generally arises due to one of the following reasons:
  
  Invalid Parameter Values: The parameters being passed to the conversion step may not be valid or may not meet the expected criteria.
  Data Consistency Issues: There may be inconsistencies in the data that are being converted, which can lead to failures in specific steps.
  Configuration Issues: There might be misconfigurations in the migration settings or in the CNV (Conversion) framework.
  
  Solution:
  To resolve the CNV20200457 error, you can follow these steps:
  
  
  Check Parameter Values: Review the values of the parameters mentioned in the error message (TIMESTEP, STEPNUM, PARAMVAL) to ensure they are correct and valid for the conversion process.
  
  
  Review Logs: Look at the detailed logs generated during the migration process. These logs can provide more context about what went wrong and which specific step failed.
  
  
  Data Validation: Ensure that the data being converted is consistent and adheres to the expected formats and constraints. You may need to clean or adjust the data before re-running the migration.
  
  
  Configuration Review: Verify the configuration settings for the migration process. Ensure that all necessary settings are correctly defined and that there are no missing parameters.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration scenario you are working on. This can provide insights into common issues and their resolutions.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs for a more efficient resolution.
  
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit, as it provides tools and guidelines for data migration.
  Conversion Programs: Understand the specific conversion programs and their parameters that are being used in your migration scenario.
  Testing: Always perform thorough testing in a non-production environment before executing the migration in a live system to identify potential issues early.
  
  By following these steps, you should be able to diagnose and resolve the CNV20200457 error effectively.