How To Fix CNV_20900237 - Priority control check in merge groups:

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 237

• Message text: Priority control check in merge groups:

What causes this issue?

If two different vendor numbers are maintained in the mapping which are
merged to the same new vendor number and if priority indicator was set
more than once or not at all, then you will get an error message
specifying the same.

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 CNV_20900237 - Priority control check in merge groups: ?

  The SAP error message CNV_20900237 typically relates to issues encountered during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This specific error indicates a problem with priority control checks in merge groups, which can occur when there are conflicts or inconsistencies in the data being processed.
  Cause:
  
  Data Conflicts: The error may arise due to conflicting data entries that cannot be merged due to priority issues. For example, if two records have the same key but different values, the system may not know which one to prioritize.
  Incorrect Configuration: The configuration settings for the migration process may not be set up correctly, leading to issues in how data is prioritized and merged.
  Missing Dependencies: There may be missing dependencies or relationships between the data records that are required for a successful merge.
  Data Quality Issues: Poor data quality, such as duplicates or invalid entries, can lead to this error.
  
  Solution:
  
  Review Data: Check the data being migrated for any conflicts or inconsistencies. Ensure that there are no duplicate records or conflicting values for the same keys.
  Adjust Priority Settings: If applicable, review and adjust the priority settings in the migration configuration to ensure that the system knows how to handle conflicting records.
  Data Cleansing: Perform data cleansing to remove duplicates and correct any invalid entries before attempting the migration again.
  Check Merge Group Configuration: Ensure that the merge group configuration is set up correctly and that all necessary dependencies are accounted for.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to understand the requirements and configurations needed for successful data migration.
  Logs and Traces: Check the logs and traces generated during the migration process for more detailed information about the error, which can help in diagnosing the issue.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on resolving it.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for any best practices or troubleshooting tips.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.