How To Fix CNV20200021 - Error while calling &1 with following values: &2, &3, &4

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 021

• Message text: Error while calling &1 with following values: &2, &3, &4

What causes this issue?

Error while calling function module or method &V1&
with the following values: &V2&, &V3&, &V4&.

System Response

Error

How to fix this error?

Find out the reason why the function module or method reports an error.
Find out if this is relevant for the conversion or not.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200021 - Error while calling &1 with following values: &2, &3, &4 ?

  The SAP error message CNV20200021 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 was an issue when calling a specific function or method with the provided parameters.
  Cause:
  The error message CNV20200021 can be caused by several factors, including:
  
  Incorrect Parameters: The values passed to the function may be incorrect or not in the expected format.
  Missing Data: Required data might be missing in the source system or in the data being processed.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform the operation.
  Configuration Issues: There may be configuration problems in the migration settings or in the target system.
  Technical Issues: There could be underlying technical issues, such as system performance problems or connectivity issues.
  
  Solution:
  To resolve the CNV20200021 error, you can take the following steps:
  
  Check Parameters: Review the parameters (&2, &3, &4) being passed to the function. Ensure they are correct and in the expected format.
  Validate Data: Ensure that all required data is present and correctly formatted in the source system.
  Review Authorizations: Check the user authorizations to ensure that the user has the necessary permissions to execute the migration.
  Configuration Review: Verify the configuration settings for the migration process. Ensure that all necessary settings are correctly defined.
  Check Logs: Look at the detailed logs for the migration process to identify any additional error messages or warnings that could provide more context.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with the error message and any relevant logs.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the root cause of the CNV20200021 error and implement a solution.