How To Fix CNV_PE802 - Check for identical classes failed: &1 <> &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 802

• Message text: Check for identical classes failed: &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE802 - Check for identical classes failed: &1 <> &2 ?

  The SAP error message CNV_PE802 indicates that there is a check for identical classes that has failed during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error message CNV_PE802 Check for identical classes failed: &1 <> &2 suggests that the system has encountered two classes that it expected to be identical but found them to be different. The placeholders &1 and &2 represent the two different class identifiers that were compared. This discrepancy can occur due to:
  
  Inconsistent Class Definitions: The classes being compared may have been defined differently in the source and target systems.
  Data Model Changes: Changes in the data model between different versions of SAP or between different systems can lead to this error.
  Configuration Issues: Incorrect configuration settings in the migration tool or the source/target systems can lead to mismatches.
  
  Solution:
  To resolve the CNV_PE802 error, you can follow these steps:
  
  
  Identify the Classes: Check the specific class identifiers represented by &1 and &2 in the error message. This will help you understand which classes are causing the issue.
  
  
  Compare Class Definitions: Review the definitions of the two classes in both the source and target systems. Look for differences in attributes, methods, or any other relevant properties.
  
  
  Adjust Class Definitions: If the classes are supposed to be identical, you may need to adjust one of the class definitions to ensure they match. This could involve modifying the class in the source or target system.
  
  
  Check Migration Settings: Review the settings and configurations in the migration tool to ensure that they are correctly set up to handle the classes in question.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are performing. There may be specific guidelines or known issues related to the classes involved.
  
  
  Testing: After making the necessary adjustments, re-run the migration or conversion process to see if the error persists.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered and resolved similar issues.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the CNV_PE802 error and implement a solution to resolve it.