How To Fix CNV_OM_PRESEL140 - The following tasks are not ready to be started

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 140

• Message text: The following tasks are not ready 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_PRESEL140 - The following tasks are not ready to be started ?

  The SAP error message CNV_OM_PRESEL140 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 certain tasks required for the migration process are not ready to be started, which can halt the entire migration process.
  Causes:
  
  Incomplete Pre-requisites: The tasks that are not ready may have dependencies that have not been fulfilled. This could include missing configuration settings, incomplete data preparation, or unexecuted prior tasks.
  Data Issues: There may be issues with the data that needs to be migrated, such as inconsistencies, missing records, or data that does not meet the required format.
  System Configuration: The system may not be properly configured for the migration process, including missing authorizations or incorrect settings in the migration cockpit.
  Task Status: The status of the tasks may not be updated correctly, leading to the system believing that they are not ready.
  
  Solutions:
  
  Check Task Dependencies: Review the migration project to ensure that all prerequisite tasks have been completed successfully. This may involve checking logs or task lists to identify any incomplete tasks.
  Data Validation: Validate the data that is being migrated to ensure it meets all necessary criteria. This may involve running data quality checks or using tools to identify and correct data issues.
  Review Configuration: Ensure that the system is correctly configured for the migration. This includes checking user authorizations, system settings, and any necessary configurations specific to the migration process.
  Restart the Process: Sometimes, simply restarting the migration process or refreshing the task list can resolve the issue. This can help in cases where the system has not updated the status of tasks correctly.
  Consult Documentation: Refer to the official SAP documentation for the migration tool you are using. There may be specific instructions or troubleshooting steps related to this error message.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and fixes that can resolve known issues.
  
  Related Information:
  
  SAP Migration Cockpit: This is the tool commonly used for data migration to SAP S/4HANA. Familiarity with its functionalities and limitations can help in troubleshooting.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed guidance based on your specific system configuration and migration scenario.
  
  By following these steps, you should be able to identify the cause of the CNV_OM_PRESEL140 error and implement a solution to move forward with your migration project.