How To Fix CNV_OM_PRESEL161 - Predecessors of selected tasks

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 161

• Message text: Predecessors of selected tasks

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_PRESEL161 - Predecessors of selected tasks ?

  The SAP error message CNV_OM_PRESEL161 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 predecessors of the selected tasks that need to be addressed before proceeding.
  Cause:
  The error arises when you attempt to execute or process a task that has dependencies on other tasks that have not been completed or are not in a suitable state. In other words, the task you are trying to execute cannot proceed because it relies on the successful completion of one or more preceding tasks.
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Task Dependencies: Review the task you are trying to execute and identify its predecessors. You can usually find this information in the task management or migration cockpit interface.
  
  
  Complete Predecessor Tasks: Ensure that all predecessor tasks are completed successfully. This may involve running those tasks, checking for errors, and resolving any issues that arise.
  
  
  Review Task Status: Make sure that the status of the predecessor tasks is appropriate (e.g., they should be marked as completed or successful).
  
  
  Consult Documentation: Refer to the SAP documentation or migration guides related to the specific migration project you are working on. This can provide insights into the required sequence of tasks.
  
  
  Error Logs: Check the error logs for any additional information that might indicate why the predecessor tasks are not in the expected state.
  
  
  Re-run the Process: After ensuring that all dependencies are resolved, try to re-run the task that initially triggered the error.
  
  
  Related Information:
  
  SAP Notes: Look for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit, as it often contains best practices and troubleshooting tips for common errors.
  
  By following these steps, you should be able to resolve the CNV_OM_PRESEL161 error and continue with your migration or conversion process.