How To Fix CNV_MBT_CWB042 - Object &1 requires restart of selection

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_CWB - Messages for CWB-PCL-Interface

• Message number: 042

• Message text: Object &1 requires restart of selection

What causes this issue?

The object &1 is to be converted implicitly during the selection. This
can only be done, if the selection is repeated for object &1.

How to fix this error?

Execute he troubleshooting for restarting the selection for object &1.

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_CWB042 - Object &1 requires restart of selection ?

  The SAP error message CNV_MBT_CWB042 indicates that a specific object (denoted by &1) requires a restart of the selection process. This error typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  The error can be caused by several factors, including:
  
  Incomplete Data Processing: The object may not have been fully processed due to interruptions or errors in previous steps.
  Configuration Issues: There may be misconfigurations in the migration settings or parameters that prevent the object from being processed correctly.
  Dependency Issues: The object may depend on other objects or processes that have not been completed or are in an inconsistent state.
  System Performance: Resource constraints or performance issues in the SAP system can lead to timeouts or failures in processing.
  
  Solution:
  To resolve the error CNV_MBT_CWB042, you can follow these steps:
  
  Restart the Selection: As the error message suggests, try restarting the selection process for the affected object. This can often resolve transient issues.
  Check Logs: Review the logs for any additional error messages or warnings that may provide more context about why the object requires a restart.
  Verify Configuration: Ensure that all configurations related to the migration process are correct. This includes checking mapping, transformation rules, and any prerequisites for the object.
  Check Dependencies: Make sure that all dependent objects or processes have been completed successfully before attempting to process the affected object again.
  System Resources: Monitor system performance and resource usage. If the system is under heavy load, consider optimizing performance or scheduling the migration during off-peak hours.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any known issues or additional troubleshooting steps.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as LTMC (for Migration Cockpit) or SCC1 (for client copy) that may be involved in the migration process.
  SAP Notes: Check for any SAP Notes related to the error message or the migration process you are using. SAP Notes often contain fixes or workarounds for known issues.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, ensure that you are following the recommended procedures and guidelines provided by SAP for data migration.
  
  By following these steps, you should be able to address the CNV_MBT_CWB042 error and successfully continue with your data migration process.