How To Fix CNV_20200_CHECK340 - Wrong format of mapping value: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20200_CHECK - Messages for check functions (company code merge)

• Message number: 340

• Message text: Wrong format of mapping value: &1

What causes this issue?

Wrong format of mapping value: &V1&
Only numbers between 1 and 9999 are allowed.
Numbers between 1 and 9 get automatically two leading spaces.
Numbers between 10 and 99 get automatically one leading space.
Numbers between 100 and 999 get automatically a leading zero.

System Response

Error

How to fix this error?

Provide a suitable mapping of cash journal business transaction numbers.

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 CNV_20200_CHECK340 - Wrong format of mapping value: &1 ?

  The SAP error message CNV_20200_CHECK340 with the description "Wrong format of mapping value: &1" 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 is an issue with the format of a mapping value that is being processed.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Incorrect Data Format: The mapping value provided does not match the expected format. This could be due to incorrect data types (e.g., string instead of numeric), invalid characters, or incorrect length.
  Configuration Issues: The mapping configuration may not be set up correctly, leading to mismatches between the source and target data structures.
  Data Quality Issues: The source data may contain invalid or unexpected values that do not conform to the required format.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in the migration tool to ensure that the mapping values are correctly defined and match the expected formats.
  Ensure that the source and target fields are compatible in terms of data types and lengths.
  
  
  
  Validate Source Data:
  
  Inspect the source data for any anomalies or invalid entries that could be causing the format issue.
  Cleanse the data to ensure it adheres to the expected formats before attempting the migration again.
  
  
  
  Refer to Documentation:
  
  Consult the SAP documentation or migration guides related to the specific migration scenario you are working on. This can provide insights into the expected formats and any specific requirements.
  
  
  
  Use Error Logs:
  
  Check the error logs or detailed messages provided by the migration tool for more context on which specific mapping value is causing the issue. This can help pinpoint the exact problem.
  
  
  
  Test with Sample Data:
  
  If possible, test the migration with a smaller subset of data to isolate the issue and verify that the mapping works correctly before processing the entire dataset.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it may have specific requirements for data formats.
  Data Migration Best Practices: Review best practices for data migration in SAP environments to ensure a smooth process.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV_20200_CHECK340 error.