3499727 - OBJECTS_OBJREF_NOT_ASSIGNED dump in CL_WDR_NW7_INT_WIN_ADAPTER=>SET_FOCUS_SERVER due to incorrect focus handling

• Web Dynpro application (e.g. SOAMANAGER, /SCWM/DIFF_ANALYZER, GRC, Emergency Access Maintenance - EAM, PLMU/WDA_SPC_OIF, PPM - Portfolio and Project management, etc.) terminates in an "OBJECTS_OBJREF_NOT_ASSIGNED" dump:

Category               ABAP programming error
Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED
ABAP: Program          CL_WDR_NW7_INT_WIN_ADAPTER====CP
Application Component  BC-WD-ABA-REN

• The error can occur when items are selected manually instead of using the "select all" button, when selecting a checkbox, etc.  
• Generally it refers to incorrect focus handling and the last call recorded before the dump is being triggered refers to CL_WDR_NW7_INT_WIN_ADAPTER=> SET_FOCUS_SERVER;
• The ABAP program "CL_WDR_NW7_INT_WIN_ADAPTER====CP" is terminated due to a statement that could not be executed.
• 500 internal Server Error  message "Access using a 'ZERO' object reference is not possible" is displayed in the browser.

• SAP S/4HANA
• UI Technologies
• Web Dynpro ABAP and Floorplan Manager
• Web Dynpro ABAP

SAP S/4HANA, Web Dynpro ABAP,  /SCWM/DIFF_ANALYZER, OBJECTS_OBJREF_NOT_ASSIGNED, CL_WDR_NW7_INT_WIN_ADAPTER====CP, Dump, Select all button, Manual selection, ST22, Runtime Error, ABAP programming error, /sap/bc/webdynpro/sap/appl_soap_management, 500 Internal Server Error, checkbox,  , KBA , BC-WD-ABA-REN , Rendering , Problem