How To Fix CNV_OM_PRESEL139 - The following tasks have been selected to be started

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 139

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

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_PRESEL139 - The following tasks have been selected to be started ?

  The SAP error message CNV_OM_PRESEL139 typically occurs during the execution of a conversion or migration project, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there are tasks that have been selected for processing, but there may be issues with the selection or configuration of those tasks.
  Cause:
  
  Task Selection Issues: The error may arise if there are inconsistencies or conflicts in the selected tasks for the migration or conversion process.
  Configuration Errors: Incorrect configuration settings in the migration cockpit or related tools can lead to this error.
  Missing Dependencies: Some tasks may depend on others, and if those dependencies are not met, it can trigger this error.
  Authorization Issues: Lack of proper authorizations for executing certain tasks can also lead to this error message.
  
  Solution:
  
  Review Task Selection: Go through the selected tasks and ensure that they are appropriate for the migration or conversion process. Deselect any tasks that are not needed or that may conflict with others.
  Check Configuration Settings: Verify the configuration settings in the migration cockpit. Ensure that all necessary parameters are correctly set.
  Dependency Check: Make sure that all prerequisite tasks are completed before starting the selected tasks. Review the documentation for any dependencies that may exist.
  Authorization Check: Ensure that the user executing the tasks has the necessary authorizations to perform the actions required by the selected tasks.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion project you are working on. There may be specific guidelines or troubleshooting steps provided.
  Logs and Traces: Check the logs and traces for more detailed error messages that can provide additional context on what might be causing the issue.
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurred.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.