DPARSFA error message

Hi, dear REST guru I got an error message while running DPARSFA. Could you please help? ??? Index exceeds matrix dimensions. Error in ==> DPARSFA_run at 194 delete(DirImg(j).name); Error in ==> DPARSFA>pushbuttonRun_Callback at 969 [Error]=DPARSFA_run(handles.Cfg); Error in ==> gui_mainfcn at 96 feval(varargin{:}); Error in ==> DPARSFA at 30 gui_mainfcn(gui_State, varargin{:}); ??? Error while evaluating uicontrol Callback Thank you, Lingxi