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
Keywords
KBA , BC-WD-ABA , Web Dynpro ABAP , Problem
About this page
This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).Search for additional results
Visit SAP Support Portal's SAP Notes and KBA Search.
SAP Knowledge Base Article - Preview