3416889 - Dump OBJECTS_OBJREF_NOT_ASSIGNED_NO when layouts are saved in full screen

Dump OBJECTS_OBJREF_NOT_ASSIGNED_NO when selecting a layout

Category               ABAP programming error
Runtime Errors         OBJECTS_OBJREF_NOT_ASSIGNED_NO
Except.                CX_SY_REF_IS_INITIAL
ABAP Program           CL_SALV_GRZ_CONTROLLER========CP
Application Component  BC-SRV-ALV
Date and Time          15.05.2023 15:01:50 (UTC)

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

Active Calls/Events

No.   Ty.          Program                             Include                             Line
      Name

   18 METHOD       CL_SALV_GRZ_CONTROLLER========CP    CL_SALV_GRZ_CONTROLLER========CM005    27
      CL_SALV_GRZ_CONTROLLER=>MAINTAIN_VARIANT
   17 METHOD       CL_SALV_GRZ_CONTROLLER========CP    CL_SALV_GRZ_CONTROLLER========CM004    17
      CL_SALV_GRZ_CONTROLLER=>IF_SALV_GRZ_CONTROLLER~DISPATCH
   16 METHOD       CL_SALV_GRZ_BRIDGE============CP    CL_SALV_GRZ_BRIDGE============CM003     2
      CL_SALV_GRZ_BRIDGE=>IF_ALV_RM_GRID_BRIDGE~INVOKE_METHOD
   15 METHOD       CL_GUI_ALV_GRID===============CP    CL_GUI_ALV_GRID===============CM00P   297
      CL_GUI_ALV_GRID=>MAINTAIN_VARIANT
   14 METHOD       CL_GUI_ALV_GRID===============CP    CL_GUI_ALV_GRID===============CM007   447

Release 740   To SAPKB74028                                
Release 750   To SAPK-75024INSAPBASIS                      
Release 751   To SAPK-75114INSAPBASIS                      
Release 752   To SAPK-75210INSAPBASIS
Release 753   To SAPK-75308INSAPBASIS
Release 754   To SAPK-75406INSAPBASIS
Release 755   To SAPK-75504INSAPBASIS
Release 756   To SAPK-75602INSAPBASIS

CL_SALV_GRZ_CONTROLLER,MAINTAIN_VARIANT,layout,OBJECTS_OBJREF_NOT_ASSIGNED_NO,FAGLL03H  , KBA , BC-SRV-ALV , SAP List Viewer , Problem