How To Fix CNV_OM_PRESEL171 - The following tasks have been selected to be aborted

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_PRESEL - Messages for LT Object Based Preselection

• Message number: 171

• Message text: The following tasks have been selected to be aborted

What causes this issue?

A job scheduled by the OBT preselection may process several preselection
tasks. If a task has been selected to be aborted then also all tasks are
affected which are handled by the job processing the selected task.

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_OM_PRESEL171 - The following tasks have been selected to be aborted ?

  The SAP error message CNV_OM_PRESEL171 typically occurs during the execution of a conversion or migration process, particularly in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools. This error indicates that certain tasks have been selected to be aborted, which can happen for various reasons.
  Causes:
  
  Data Validation Issues: The data being processed may not meet the required validation criteria, leading to the abortion of specific tasks.
  Configuration Errors: Incorrect configuration settings in the migration or conversion tool can lead to task failures.
  Missing Dependencies: If certain prerequisite tasks or data are missing, the system may abort subsequent tasks.
  Technical Errors: There may be underlying technical issues, such as database constraints or system performance problems.
  User Intervention: Sometimes, users may manually select tasks to be aborted due to errors or warnings encountered during the process.
  
  Solutions:
  
  Review Logs: Check the detailed logs for the migration or conversion process to identify the specific tasks that were aborted and the reasons behind it.
  Data Cleansing: Ensure that the data being migrated is clean and meets all necessary validation rules. This may involve correcting data inconsistencies or formatting issues.
  Configuration Check: Review the configuration settings of the migration tool to ensure they are set up correctly.
  Dependency Verification: Make sure that all prerequisite tasks and data are available and correctly configured before starting the migration.
  Retry the Process: After addressing the identified issues, you can retry the migration or conversion process.
  Consult Documentation: Refer to SAP's official documentation or notes related to the specific migration tool you are using for additional guidance and troubleshooting steps.
  Seek SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with the error message and any relevant logs.
  
  Related Information:
  
  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.
  Training and Documentation: Familiarize yourself with the migration tools and processes through SAP training materials or documentation to better understand potential pitfalls.
  
  By following these steps, you should be able to diagnose and resolve the CNV_OM_PRESEL171 error effectively.