How To Fix CNV_PE551 - Type of extension not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 551

• Message text: Type of extension not defined

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_PE551 - Type of extension not defined ?

  The SAP error message CNV_PE551: Type of extension not defined typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services tools. This error indicates that the system is unable to find a defined extension type for a specific operation or data object.
  Causes:
  
  Missing Configuration: The extension type may not be defined in the configuration settings of the data migration tool you are using.
  Incorrect Mapping: There may be an issue with the mapping of the data fields, where the system expects a certain type of extension that has not been set up.
  Version Compatibility: The error could arise if there are compatibility issues between the version of the tools being used and the SAP system.
  Custom Development: If there are custom developments or enhancements in the system, they may not be properly integrated or defined.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the data migration tool to ensure that all necessary extension types are defined. This may involve checking the relevant customizing settings in the SAP system.
  Review Mapping: Ensure that the data mapping is correct and that all required fields and types are properly defined. You may need to adjust the mapping to align with the expected data structure.
  Update or Patch: If you suspect a version compatibility issue, check for any available updates or patches for the data migration tool or the SAP system that may resolve the issue.
  Consult Documentation: Refer to the official SAP documentation for the specific data migration tool you are using. This may provide insights into required configurations and common issues.
  Debugging: If you have access to debugging tools, you can trace the execution to identify where the error is occurring and gather more context about the missing extension type.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP Support for assistance. They may have additional insights or solutions based on the specific context of your implementation.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to the error message CNV_PE551 for any known issues or fixes.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  Documentation: Review the documentation for the specific data migration tool you are using, as it may contain troubleshooting steps or configuration guidelines.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.