How To Fix AXT_GEN212 - The generated class source is invalid

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_GEN - Generation framework

• Message number: 212

• Message text: The generated class source is invalid

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_GEN212 - The generated class source is invalid ?

  The SAP error message AXT_GEN212, which states "The generated class source is invalid," typically occurs during the generation of classes in the ABAP environment, particularly when working with ABAP Objects or when using the ABAP Workbench. This error indicates that there is an issue with the source code that has been generated for a class, which prevents it from being compiled or activated successfully.
  Causes:
  
  Syntax Errors: There may be syntax errors in the generated code that prevent it from being valid ABAP code.
  Missing Dependencies: The class may depend on other classes, interfaces, or types that are not available or have errors.
  Inconsistent State: The system might be in an inconsistent state due to previous errors during class generation or activation.
  Incorrect Annotations: If you are using annotations in your class definition, they may not be correctly defined or supported.
  Transport Issues: If the class was transported from another system, there may be issues with the transport that led to an incomplete or corrupted class definition.
  
  Solutions:
  
  Check Syntax: Review the generated class code for any syntax errors. You can do this by navigating to the class in the ABAP Workbench (SE80) and checking the source code.
  Activate Dependencies: Ensure that all dependent objects (like interfaces, base classes, etc.) are activated and available in the system.
  Re-generate the Class: If the class was generated from a tool or framework, try regenerating it to see if the issue persists.
  Clear Buffer: Sometimes, clearing the ABAP buffer can resolve inconsistencies. You can do this using transaction code /n/SM12 or /n/SM21.
  Check Transport Logs: If the class was transported, check the transport logs for any errors or warnings that might indicate what went wrong during the transport.
  Debugging: If you have access to debugging tools, you can set breakpoints in the class generation process to identify where the error occurs.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide patches.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator), SE24 (Class Builder), and SE38 (ABAP Editor) for managing and debugging classes.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for ABAP Objects and class generation to ensure that you are following best practices.
  
  If the problem persists after trying the above solutions, it may be beneficial to reach out to your SAP Basis or ABAP development team for further assistance.