How To Fix CX001 - Class "&1/&2" does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CX - Nachrichten für Konfigurationsprozess

• Message number: 001

• Message text: Class "&1/&2" does not exist

What causes this issue?

You are attempting to allocate a class which does not exist to the
configurable object.

System Response

The system checks whether the class you are allocating to a
configurable object exists. If this is not the case, the entry is
refused.

How to fix this error?

Check your entry and create the class with the corresponding function.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CX001 - Class "&1/&2" does not exist ?

  The SAP error message "CX001 Class '&1/&2' does not exist" typically indicates that the system is trying to reference a class that is not defined or does not exist in the SAP system. This error is often related to issues with ABAP classes or exceptions.
  Cause:
  
  Missing Class: The specified class (indicated by the placeholders &1 and &2) has not been created or has been deleted from the system.
  Incorrect Namespace: The class might be in a different namespace or package that is not accessible in the current context.
  Transport Issues: If the class was recently transported from another system, the transport might not have been successful, or the class might not have been included in the transport request.
  Authorization Issues: The user might not have the necessary authorizations to access the class.
  Typographical Error: There could be a typo in the class name or namespace when it is being called.
  
  Solution:
  
  Check Class Existence: Use transaction SE24 (Class Builder) to check if the class exists. Enter the class name and see if it is available.
  Create the Class: If the class does not exist, you may need to create it or ask a developer to do so.
  Check Transport Requests: If the class was supposed to be transported, check the transport logs to ensure it was included and successfully imported.
  Review Authorizations: Ensure that the user has the necessary authorizations to access the class. This can be checked in transaction SU53 or by consulting with your security team.
  Correct Typographical Errors: Double-check the code or configuration where the class is being referenced to ensure there are no typos.
  Namespace Issues: If the class is in a different namespace, ensure that the correct namespace is being used in the code.
  
  Related Information:
  
  Transaction Codes:
  
  SE24: Class Builder to check and create classes.
  SE80: Object Navigator to explore various objects including classes.
  SE11: Data Dictionary to check related database objects.
  SE37: Function Module to check if the class is being called from a function module.
  
  
  Debugging: If you have access, you can use the debugger to trace where the error is occurring and gather more context about the call to the non-existent class.
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific class or error message.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or development team for further investigation.