How To Fix CLB2022 - Invalid interface or class name: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CLB2 - SAIL: Common messages

• Message number: 022

• Message text: Invalid interface or class name: &1

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 CLB2022 - Invalid interface or class name: &1 ?

  The SAP error message CLB2022, which states "Invalid interface or class name: &1," typically occurs when there is an issue with the naming or existence of a class or interface in the ABAP environment. Here’s a breakdown of the potential causes, solutions, and related information for this error:
  Causes:
  
  Typographical Error: The name of the class or interface may have been misspelled or incorrectly referenced in the code.
  Non-Existent Class/Interface: The specified class or interface does not exist in the system. This could be due to it not being created yet or it being deleted.
  Namespace Issues: If the class or interface is in a specific namespace, it may not be accessible due to authorization or visibility issues.
  Transport Issues: If the class or interface was recently transported from another system, it may not have been imported correctly.
  Activation Issues: The class or interface may not be activated, leading to it being unavailable for use.
  
  Solutions:
  
  Check Spelling: Verify that the name of the class or interface is spelled correctly in your code.
  Existence Check: Use transaction SE80 or SE11 to check if the class or interface exists in the system. If it does not, you may need to create it or restore it from a transport.
  Namespace Verification: Ensure that you are using the correct namespace and that you have the necessary authorizations to access the class or interface.
  Transport Validation: If the class or interface was recently transported, check the transport logs to ensure it was imported successfully without errors.
  Activation: If the class or interface exists but is not activated, activate it using transaction SE80 or SE24 (for classes) or SE37 (for function modules).
  Check Dependencies: Ensure that any dependencies or required components for the class or interface are also present and activated.
  
  Related Information:
  
  Transaction Codes: 
  
  SE80: Object Navigator for checking classes and interfaces.
  SE24: Class Builder for creating and managing classes.
  SE37: Function Module Builder for managing function modules.
  
  
  Documentation: Review SAP documentation for guidelines on naming conventions and class/interface creation.
  Debugging: If the error occurs during runtime, consider using the debugger to trace back to where the invalid reference is being made.
  
  By following these steps, you should be able to identify and resolve the issue causing the CLB2022 error in your SAP environment.