Error in running gridbuilder.m file

[lalan143abhishek1]

Hello charles,
while running the gridbuilder.m file in matlab2017, I am getting the following error.

Reference to non-existent field 'MainAxis'.
Error in GridBuilderCallbacks (line 16)
handles.BWAxis.Position=handles.MainAxis.Position;
Error in GridBuilder>MainFigure_SizeChangedFcn (line 1321)
GridBuilderCallbacks(hObject,eventdata,handles)
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in GridBuilder (line 42)
gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)GridBuilder('MainFigure_SizeChangedFcn',hObject,eventdata,guidata(hObject))
Error using matlab.hg.internal.openfigLegacy (line 117)
Error while evaluating Figure SizeChangedFcn.
Reference to non-existent field 'BWAxis'.
Error in setGuiInitial (line 9)
delete(handles.BWAxis.Children);
Error in GridBuilderCallbacks (line 11)
setGuiInitial(handles);
Error in GridBuilder>GridBuilder_OpeningFcn (line 92)
GridBuilderCallbacks('Initialize',eventdata,handles);
Error in gui_mainfcn (line 220)
feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:});
Error in GridBuilder (line 42)
gui_mainfcn(gui_State, varargin{:});

I am not able to open gridbuilder GUI.

Thanks in advance.