How To Fix CL450 - No functions created for class type "&"

CL450 - Overview

• Message type: E = Error

• Message class: CL - Classification

• Message number: 450

• Message text: No functions created for class type "&"

What causes this issue?

You want to display a list of valid functions for this class type.
However, none have been created.

How to fix this error?

You can create these functions in Customizing by choosing
<ZH>Classification -> Classes -> Maintain Object Types and Class Types
</>.

<DS:TRAS.O1CL>Proceed</>
Select an entry in the object table and choose <ZH>Functions/Filters
for Finding Objects</>.
ENDIF

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CL450 - No functions created for class type "&" ?

  The SAP error message CL450, which states "No functions created for class type '&'", typically occurs when you are trying to create or use a method in a class that has not been properly defined or when the class type is not recognized by the system. This error is often encountered in the context of ABAP Object-Oriented programming.
  
  Cause:
  
  Class Type Not Defined: The class type you are trying to use may not be defined in the system. This could happen if the class was not created or if it was deleted.
  Incorrect Class Type: The class type specified may not be valid or may not correspond to any existing class in the system.
  Missing Implementation: The class may be defined, but the methods or functions that you are trying to call have not been implemented.
  Transport Issues: If the class was transported from another system, there may have been issues during the transport that