How To Fix CNV_PE366 - Data handler instance already created with different PE editor setting

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 366

• Message text: Data handler instance already created with different PE editor setting

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE366 - Data handler instance already created with different PE editor setting ?

  The SAP error message CNV_PE366 indicates that there is a conflict in the settings of the Data Handler instance in the context of a data migration or conversion process. This error typically arises when an instance of the Data Handler has already been created with different settings in the PE (Process Editor) configuration.
  Cause:
  
  Multiple Instances: The error occurs when there is an attempt to create a new Data Handler instance while another instance already exists with different settings.
  Configuration Mismatch: The settings (like source/target mapping, transformation rules, etc.) of the existing Data Handler do not match the settings being used in the new instance.
  Session Conflicts: If multiple sessions or users are trying to create or modify Data Handlers simultaneously, it can lead to this error.
  
  Solution:
  
  Check Existing Instances: Verify if there is already an existing Data Handler instance. If so, review its settings to ensure they match what you intend to use.
  Use the Existing Instance: If the existing Data Handler instance is valid for your needs, consider using it instead of creating a new one.
  Delete or Modify: If the existing instance is not needed, you may delete it or modify its settings to match the new configuration you want to apply.
  Session Management: Ensure that no other users or sessions are trying to create or modify Data Handlers at the same time. Coordinate with your team to avoid conflicts.
  Restart the Process: Sometimes, simply restarting the data migration process can resolve temporary issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes like SE80 (Object Navigator) or SE38 (ABAP Editor) to check for existing Data Handlers.
  SAP Notes: Check SAP Notes for any known issues or patches related to the CNV_PE366 error. SAP frequently updates its knowledge base with solutions for common errors.
  Documentation: Review the documentation for the specific data migration tool or process you are using, as it may provide additional insights into configuration settings and best practices.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to resolve the CNV_PE366 error and proceed with your data migration or conversion tasks.