How To Fix CNV_PE468 - GUI event handler class &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 468

• Message text: GUI event handler class &1 does not exist

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE468 - GUI event handler class &1 does not exist ?

  The SAP error message "CNV_PE468 GUI event handler class &1 does not exist" typically occurs in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or other related tools. This error indicates that the system is trying to reference a GUI event handler class that is not available in the system.
  Cause:
  
  Missing Class: The specified GUI event handler class (denoted by &1) is not defined in the system. This could be due to an incomplete installation or a missing transport request.
  Incorrect Configuration: The system might be misconfigured, leading to the reference of a non-existent class.
  Version Mismatch: The error may arise if there is a version mismatch between the components of the SAP system, especially if the migration tools or related components have not been updated properly.
  
  Solution:
  
  
  Check Class Existence:
  
  Use transaction SE80 or SE24 to check if the class exists in the system. If it does not exist, you may need to create it or transport it from another system.
  
  
  
  Transport Missing Objects:
  
  If the class is missing, check if it was part of a transport request that was not imported. You may need to import the relevant transport request that contains the missing class.
  
  
  
  Reconfigure Migration Tools:
  
  If the migration tools are misconfigured, review the configuration settings and ensure that all necessary components are correctly set up.
  
  
  
  Update System:
  
  Ensure that your SAP system is up to date with the latest support packages and patches. Sometimes, missing classes are addressed in newer versions.
  
  
  
  Check SAP Notes:
  
  Look for relevant SAP Notes that might address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for assistance. They can provide more specific guidance based on your system configuration and version.
  
  
  
  Related Information:
  
  Transaction Codes: SE80 (Object Navigator), SE24 (Class Builder), ST22 (Dump Analysis), SM21 (System Log).
  SAP Notes: Search for SAP Notes related to the migration cockpit or the specific error message for additional context and solutions.
  Documentation: Review the official SAP documentation for the migration tools you are using, as it may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to diagnose and resolve the error message CNV_PE468 in your SAP system.