How To Fix CNV_PE_SEL034 - Preselection scheduler ended with error

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_SEL -

• Message number: 034

• Message text: Preselection scheduler ended with error

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_SEL034 - Preselection scheduler ended with error ?

  The SAP error message CNV_PE_SEL034 indicates that the preselection scheduler has ended with an error during a data migration or conversion process, typically related to the SAP S/4HANA migration or data transfer activities. This error can arise from various issues, including configuration problems, data inconsistencies, or system resource limitations.
  Possible Causes:
  
  Configuration Issues: Incorrect settings in the preselection scheduler or related configuration parameters.
  Data Inconsistencies: Issues with the data being processed, such as missing or invalid entries that do not meet the required criteria.
  Resource Limitations: Insufficient system resources (memory, CPU) to handle the preselection process.
  Authorization Problems: Lack of necessary authorizations for the user executing the preselection.
  Technical Errors: Bugs or issues in the underlying code or logic of the preselection scheduler.
  
  Solutions:
  
  
  Check Logs: Review the detailed logs associated with the preselection scheduler to identify the specific error message or issue that caused the failure. You can find logs in transaction codes like SLG1 (Application Log) or ST22 (Dump Analysis).
  
  
  Review Configuration: Ensure that all configuration settings related to the preselection scheduler are correct. This includes checking the parameters set in the transaction used for the preselection.
  
  
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or missing entries. You may need to run data quality checks or cleansing processes.
  
  
  Resource Allocation: Monitor system resources during the execution of the preselection. If resources are low, consider increasing the allocated memory or CPU for the process.
  
  
  User Authorizations: Verify that the user executing the preselection has the necessary authorizations to perform the task. You may need to consult with your security team to ensure proper roles are assigned.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  
  
  Consult Documentation: Review the official SAP documentation related to the preselection scheduler and data migration processes for any additional troubleshooting steps or best practices.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed logs and error messages to facilitate troubleshooting.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SLG1: Application Log
  ST22: Dump Analysis
  SM37: Job Monitoring
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Training and Documentation: Ensure that your team is trained on the data migration tools and processes, as understanding the underlying mechanisms can help prevent errors.
  
  By following these steps, you should be able to diagnose and resolve the CNV_PE_SEL034 error effectively.