3699181 - WDA: Dump in class CL_WDR_OVS_PERSONALIZATION while mapping the SMT

After implementing the SAP Note 3631585 to adjust F4 value help, getting below dump during the SMT Mapping process in MDGIMG:

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

Short Text
     Access using a 'ZERO' object reference is not possible.

Active Calls/Events

No.   Ty.          Program                             Include                             Line
      Name

   28 METHOD       CL_WDR_OVS_PERSONALIZATION====CP    CL_WDR_OVS_PERSONALIZATION====CM003     2
      CL_WDR_OVS_PERSONALIZATION=>CREATE_CONFIG_ID
   27 METHOD       CL_WDR_OVS_PERSONALIZATION====CP    CL_WDR_OVS_PERSONALIZATION====CM00E    26
      CL_WDR_OVS_PERSONALIZATION=>IF_WDR_OVS_PERSONALIZATION~INITIALIZE
   26 METHOD       CL_WDR_OVS_HANDLER============CP    CL_WDR_OVS_HANDLER============CM00U   107
      CL_WDR_OVS_HANDLER=>IF_WDR_OVS_LISTENER~SET_OUTPUT_INTERNAL
   25 METHOD       CL_WDR_OVS_HANDLER============CP    CL_WDR_OVS_HANDLER============CM00Z    10

• SAP NetWeaver
• SAP NetWeaver Application Server for SAP S/4HANA
• ABAP PLATFORM - Application Server ABAP
• SAP Web Dynpro FloorPlanManager
• SAP_UI 754-758 and SAP_UI 816

Value Help, Popup, OVS, CL_WDR_OVS_PERSONALIZATION====CP, OBJECTS_OBJREF_NOT_ASSIGNED, /type STRING_TABLE, F4 help, too small, Access using a 'ZERO' object reference is not possible, CL_WDR_OVS_PERSONALIZATION=>CREATE_CONFIG_ID, WDC_SMT_MAPPING,  COMPONENTCONTROLLER, personalized size.  , KBA , BC-WD-ABA-RUN , Web Dynpro ABAP Runtime , Problem