How To Fix CNV_MBT_XAPP_A028 - Conversion of logical system names is activated

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_XAPP_A - Message classes for all Cross-Application functions

• Message number: 028

• Message text: Conversion of logical system names is activated

What causes this issue?

The checkbox to activate conversion is marked.

System Response

The system generates rules to convert the old logical system name to the
new one as mentioned by the user.

How to fix this error?

If you do not want the conversion to take place, unmark the check box
and press <ZH>save.</>

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_MBT_XAPP_A028 - Conversion of logical system names is activated ?

  The SAP error message CNV_MBT_XAPP_A028 indicates that the conversion of logical system names is activated in the context of a data migration or system conversion process. This message is typically encountered during the execution of a migration project, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error occurs when the system detects that the conversion of logical system names is enabled, but there may be an issue with the configuration or the data being processed. This can happen due to:
  
  Incorrect Configuration: The logical system names may not be correctly defined in the system or the migration settings.
  Data Inconsistencies: The data being migrated may contain references to logical system names that do not match the expected format or are not defined in the target system.
  Migration Settings: The migration settings may not be properly aligned with the source and target system configurations.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Logical System Configuration:
  
  Ensure that the logical system names are correctly defined in both the source and target systems.
  Use transaction code SCC4 to verify the logical system settings.
  
  
  
  Review Migration Settings:
  
  Check the migration settings in the SAP S/4HANA Migration Cockpit or the relevant migration tool you are using.
  Ensure that the settings for logical system name conversion are correctly configured.
  
  
  
  Data Validation:
  
  Validate the data being migrated to ensure that all logical system names are correct and correspond to the defined logical systems in the target system.
  Look for any inconsistencies or errors in the data that may be causing the issue.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation related to the specific migration tool you are using for any additional configuration steps or troubleshooting tips.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They may provide specific guidance based on your system configuration and the context of the migration.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SCC4 (to manage logical systems) and LTMC (for the Migration Cockpit).
  SAP Notes: Search for SAP Notes related to the error message or the migration process you are using. These notes may contain specific fixes or recommendations.
  Migration Cockpit: If you are using the Migration Cockpit, review the available guides and best practices for data migration to ensure compliance with the required procedures.
  
  By following these steps, you should be able to identify and resolve the issue related to the CNV_MBT_XAPP_A028 error message.