How To Fix CNV_OM_PRESEL021 - Start of preselection for workset item: &1 (&2)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 021

• Message text: Start of preselection for workset item: &1 (&2)

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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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_PRESEL021 - Start of preselection for workset item: &1 (&2) ?

  The SAP error message CNV_OM_PRESEL021 typically occurs during the preselection phase of a workset item in the context of data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the preselection of data for the specified workset item.
  Cause:
  The error can be caused by several factors, including but not limited to:
  
  Data Inconsistencies: The data being processed may have inconsistencies or issues that prevent it from being selected correctly.
  Configuration Issues: There may be configuration problems in the migration settings or the workset item itself.
  Missing Authorizations: The user executing the migration may not have the necessary authorizations to access the data or perform the preselection.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the migration tools.
  
  Solution:
  To resolve the CNV_OM_PRESEL021 error, you can take the following steps:
  
  
  Check Data Consistency: Review the data that is being processed for any inconsistencies or errors. Ensure that all required fields are populated and that the data adheres to the expected formats.
  
  
  Review Configuration: Verify the configuration settings for the migration project and the specific workset item. Ensure that all necessary parameters are correctly set.
  
  
  User Authorizations: Check the authorizations of the user executing the migration. Ensure that they have the necessary permissions to access the data and perform the required actions.
  
  
  Log Analysis: Look at the detailed logs generated during the migration process. These logs can provide more specific information about what went wrong during the preselection phase.
  
  
  SAP Notes and Documentation: Search for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions to common issues.
  
  
  Consult SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs for a more in-depth analysis.
  
  
  Related Information:
  
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as understanding how it works can help in troubleshooting issues.
  Data Migration Best Practices: Review best practices for data migration in SAP environments to ensure that your processes are aligned with recommended approaches.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to identify the root cause of the CNV_OM_PRESEL021 error and implement an appropriate solution.