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3423850 - WDA: CX_SY_REF_IS_INITIAL dump due to wrong roundtrip configuration

Symptom

Using a Web Dynpro ABAP application (e.g. embedded into Fiori Launchpad) one receives the error below in the browser:

  • 500 Internal Server Error - Dereferencing of the NULL reference

Related dump in ST22:

Category               ABAP programming error                                                       
Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED                                                  
Except.                CX_SY_REF_IS_INITIAL                                                         
ABAP Program           CL_WDR_GROUPED_SELOPT_20======CP                                             
Application Component  BC-WD-ABA                                                                    
Date and Time          dd.MM.yyyy hh:mm:cc (Time Zone)                                                    
                                                                                                    
 
Short Text                                                                                        
    Access using a 'ZERO' object reference is not possible.   

Error analysis                                                                                    
    An exception has occurred in class "CX_SY_REF_IS_INITIAL". This exception was                 
     not caught                                                                                   
    in procedure "RENDER_INITIAL" "(METHOD)" or propagated by a RAISING clause.                   
    Since the caller of the procedure could not have anticipated this                             
    exception, the current program was terminated.                                                
    The reason for the exception occurring was:                                                   
    The reason for the exception is:                                                              
    You are trying to access a component with a 'ZERO' object reference                           
    (points to 'nothing'). Variable: "ME->MO_FRAME_FIORI".                                        
    An object reference must point to an object (an instance of a class)                          
    before it can be used to access a component. The reference has either                         
    never been set, or it was set to 'ZERO' with a CLEAR statement.                                              


Read more...

Environment

  • Web Dynpro ABAP
  • SAP NetWeaver
  • ABAP PLATFORM - Application Server ABAP 
  • SAP Business Technology Platform

Product

ABAP platform all versions ; SAP NetWeaver all versions

Keywords

KBA , BC-WD-ABA , Web Dynpro ABAP , Problem

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