How To Fix CNV849 - Errors occurred during generation (see the log for details)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 849

• Message text: Errors occurred during generation (see the log for details)

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 CNV849 - Errors occurred during generation (see the log for details) ?

  The SAP error message "CNV849 Errors occurred during generation (see the log for details)" typically occurs during data migration or conversion processes, particularly when using SAP's Data Migration tools or during system upgrades. This error indicates that there were issues encountered while generating or processing data, and it suggests that you should check the logs for more detailed information about the specific errors.
  Causes:
  
  Data Inconsistencies: The data being migrated may have inconsistencies or errors that prevent successful processing.
  Configuration Issues: Incorrect configuration settings in the migration tool or in the source/target systems can lead to errors.
  Missing Dependencies: Required objects, such as tables, fields, or other dependencies, may be missing or not properly defined.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to perform certain actions.
  Technical Errors: There may be underlying technical issues, such as database connectivity problems or system resource limitations.
  
  Solutions:
  
  Check Logs: Review the detailed logs generated during the migration process. The logs will provide specific error messages and codes that can help identify the root cause of the issue.
  Data Validation: Ensure that the data being migrated is clean and consistent. Perform data validation checks to identify and correct any inconsistencies.
  Configuration Review: Verify the configuration settings of the migration tool and ensure that they are correctly set up for the source and target systems.
  Dependency Check: Ensure that all required objects and dependencies are present and correctly defined in both the source and target systems.
  Authorization Check: Confirm that the user executing the migration has the necessary authorizations to perform the required actions.
  Technical Support: If the issue persists, consider reaching out to SAP support or consulting the SAP community for assistance.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes related to data migration, such as LTMC (for Migration Cockpit) or LTMOM (for Migration Object Modeler).
  SAP Notes: Search for relevant SAP Notes that may address known issues related to the CNV849 error. SAP Notes often provide patches or workarounds for specific problems.
  Documentation: Review the official SAP documentation for the data migration tool you are using, as it may provide additional insights and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issues causing the CNV849 error during the generation process.