How To Fix NGC_RAP013 - Failed to load class data

SAP Error Message - Details

• Message type: E = Error

• Message class: NGC_RAP - Message class for NGC RAP Implementations

• Message number: 013

• Message text: Failed to load class data

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 NGC_RAP013 - Failed to load class data ?

  The SAP error message NGC_RAP013: Failed to load class data typically occurs in the context of the SAP RAP (Rapid Application Programming) model, which is used for developing applications in SAP S/4HANA. This error can arise due to various reasons, including issues with the configuration, missing dependencies, or problems with the underlying data model.
  Causes:
  
  Missing or Incorrect Class Definition: The class that is being referenced may not be defined correctly or may be missing entirely.
  Dependency Issues: There may be missing dependencies or libraries that the class relies on.
  Transport Issues: If the class was recently transported from another system, there may have been issues during the transport process.
  Authorization Issues: The user may not have the necessary authorizations to access the class or its data.
  Data Model Issues: There may be inconsistencies or errors in the data model that the class is trying to access.
  
  Solutions:
  
  Check Class Definition: Verify that the class is correctly defined in the system. Ensure that all necessary methods and attributes are implemented.
  Check Dependencies: Ensure that all required dependencies and libraries are available and correctly configured in the system.
  Transport Validation: If the class was transported, check the transport logs for any errors and ensure that the transport was successful.
  Authorization Check: Ensure that the user has the necessary authorizations to access the class and its data. You can use transaction SU53 to analyze authorization issues.
  Data Model Validation: Review the data model for any inconsistencies or errors. Use transaction SE11 to check the definitions of the relevant database tables and structures.
  Debugging: If the issue persists, consider debugging the application to identify the exact point of failure. This can provide more insight into what is causing the error.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation for RAP to ensure that you are following best practices in your implementation.
  Community Forums: Engage with the SAP Community or other forums where developers discuss similar issues. You may find others who have encountered and resolved the same error.
  
  If the problem continues after trying the above solutions, consider reaching out to SAP support for further assistance.