error running sample data

Hi,

Thanks for leting me join the foroum. I am using DPARSFA on Matlab R2019b. I was practicing using online sample data for DPARSFA and it run up to some point (Bet) but at the end I got the below error:

Error using DPARSFA_run (line 1817)

Index exceeds the number of array elements (0).

Error in DPARSFA>pushbuttonRun_Callback (line 1847)
    [Error, Cfg]=DPARSFA_run(handles.Cfg);

Error in gui_mainfcn (line 95)
        feval(varargin{:});

Error in DPARSFA (line 30)
    gui_mainfcn(gui_State, varargin{:});
 
Error while evaluating UIControl Callback.

I run anothe set of data and same problem. Can you please guide me how to fix it?

Thanks,

Aftab