How To Fix CNV20200812 - You must check that the mapping is correct from a business perspective

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20200 - Messages for development class CNV_20200

• Message number: 812

• Message text: You must check that the mapping is correct from a business perspective

What causes this issue?

The system generates the mapping values based on the relevant mapping
values for company codes. However, it is important that you check that
these generated mapping values are correct from a business perspective.
In particular, the following questions must be addressed:
Are the target values correct?
Is the priority indicator set correctly?

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20200812 - You must check that the mapping is correct from a business perspective ?

  The SAP error message CNV20200812 typically arises during data migration processes, particularly when using SAP's data migration tools or during the execution of a conversion project. This error indicates that there is a discrepancy or inconsistency in the mapping of data from the source system to the target system, which needs to be validated from a business perspective.
  Cause:
  
  Incorrect Mapping: The mapping of fields between the source and target systems may not align correctly, leading to potential data integrity issues.
  Business Logic Violations: The data being migrated may not adhere to the business rules or logic defined in the target system.
  Missing Data: Required fields in the target system may not have corresponding data in the source system, or the data may not meet the necessary criteria.
  Data Type Mismatches: There may be discrepancies in data types between the source and target systems, causing validation failures.
  
  Solution:
  
  Review Mapping Configuration: Check the mapping configuration in the migration tool to ensure that all fields are correctly mapped from the source to the target system.
  Validate Business Rules: Ensure that the data being migrated adheres to the business rules defined in the target system. This may involve consulting with business stakeholders to confirm that the mapping makes sense from a business perspective.
  Data Quality Checks: Perform data quality checks on the source data to identify any missing or incorrect data that could lead to this error.
  Adjust Data Transformation Logic: If necessary, adjust the transformation logic to ensure that the data is transformed correctly to meet the requirements of the target system.
  Testing: Conduct thorough testing of the migration process with a subset of data to identify any issues before performing a full migration.
  
  Related Information:
  
  Documentation: Refer to SAP's official documentation for the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) for detailed guidelines on mapping and data validation.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Consulting Services: If the issue persists, consider reaching out to SAP consulting services or a certified SAP partner for expert assistance.
  
  By following these steps, you should be able to resolve the CNV20200812 error and ensure a successful data migration process.