How To Fix CNV_OM_PRESEL165 - Predec. of &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 165

• Message text: Predec. of &1

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_PRESEL165 - Predec. of &1 ?

  The SAP error message CNV_OM_PRESEL165 typically relates to issues encountered during the data migration process, particularly in the context of the SAP Conversion and Migration tools. This error message indicates a problem with the pre-selection of data, often during the conversion of legacy data into the SAP system.
  Cause:
  The error message CNV_OM_PRESEL165 Predec. of &1 usually arises due to one of the following reasons:
  
  Data Inconsistency: There may be inconsistencies or missing data in the source system that prevent the successful pre-selection of data for migration.
  Configuration Issues: Incorrect configuration settings in the migration tool or the source system can lead to this error.
  Mapping Errors: Issues with the mapping of fields between the legacy system and the target SAP system can also trigger this error.
  Missing Dependencies: The data being processed may have dependencies that are not met, leading to a failure in pre-selection.
  
  Solution:
  To resolve the CNV_OM_PRESEL165 error, you can follow these steps:
  
  Check Data Consistency: Review the data in the source system for any inconsistencies or missing entries. Ensure that all required fields are populated correctly.
  Review Configuration: Verify the configuration settings in the migration tool. Ensure that all necessary parameters are set correctly.
  Mapping Verification: Check the mapping of fields between the legacy system and the SAP system. Ensure that all fields are correctly mapped and that there are no discrepancies.
  Dependency Check: Identify any dependencies related to the data being migrated. Ensure that all prerequisite data is available and correctly configured.
  Logs and Traces: Review the logs and traces generated during the migration process for more detailed error messages that can provide additional context on the issue.
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using for any additional troubleshooting steps or known issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on data migration issues.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have already taken to resolve it.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the CNV_OM_PRESEL165 error message.