Function 'subsindex' is not defined for values of class 'matlab.ui.Figure'.

Hi, I have some questions when I use the dpabi to process the data : When I open the Viewer button , the error occured as bellow: Error using subsindex Function 'subsindex' is not defined for values of class 'matlab.ui.Figure'. Error in DPABI_VIEW>DPABI_VIEW_OpeningFcn (line 76) st{curfig}.fig=hObject; Error in gui_mainfcn (line 220) feval(gui_State.gui_OpeningFcn, gui_hFigure, [], guidata(gui_hFigure), varargin{:}); Error in DPABI_VIEW (line 43) gui_mainfcn(gui_State, varargin{:}); Error in dpabi>pushbutton_Viewer_Callback (line 228) DPABI_VIEW Error in gui_mainfcn (line 95) feval(varargin{:}); Error in dpabi (line 42) gui_mainfcn(gui_State, varargin{:}); Error in @(hObject,eventdata)dpabi('pushbutton_Viewer_Callback',hObject,eventdata,guidata(hObject)) Error while evaluating UIControl Callback and another question : when I done the Normalize by EPI templates ,the error is : Error using subsindex Function 'subsindex' is not defined for values of class 'matlab.ui.Figure'. Error in y_Call_spm_orthviews (line 49) st{curfig}.fig=H; Error in DPARSFA_run (line 2873) H = y_Call_spm_orthviews(Ch2Filename,0,0,0,18,Filename,jet(64),0,250,H,0.8); Error in DPARSFA>pushbuttonRun_Callback (line 1674) [Error]=DPARSFA_run(handles.Cfg); Error in gui_mainfcn (line 95) feval(varargin{:}); Error in DPARSFA (line 30) gui_mainfcn(gui_State, varargin{:}); Can u help me ?Thanks very much!