Hello,
I am a PhD scholar from India. I am using NirScout for fNIRS data collection. I tried analyzing one of the data sets but got an error while performing GLM-fNIRS for the 1st level analysis step "specify conditions using a file" (irrespective of choosing Yes or No) . I tried 3 different versions of matlab (2013b, 2014b and 2015b) but the same error persisted. Also i tried analyzing the sample data that is provided by the software but still the error occurred. 
I am copying the error messages below. It will be very helpful if you could help me solve this problem.

% Error while "specify conditions using a file" selected as No
Error using uicontrol
While setting the 'Max' property of UIControl:
Value must be numeric or logical.
Error in spm_input (line 1286)
h = uicontrol(Finter,'Style','Pushbutton',...
Error in spm_fnirs_get_ons_ui (line 56)
v = spm_input('number of conditions/trials',2,'w1');
Error in spm_fnirs_specify1st_ui (line 107)
U = spm_fnirs_get_ons_ui;
Error in spm_fnirs>push_specify_Callback (line 75)
spm_fnirs_specify1st_ui;
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in spm_fnirs (line 25)
gui_mainfcn(gui_State, varargin{:});
Error in @(hObject,eventdata)spm_fnirs('push_specify_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback

% Error while "specify conditions using a file" selected as Yes and .mat loading the generated with spm_fnirs
Undefined variable durations.
Error in spm_fnirs_specify1st_ui (line 104)
U(i).dur = durations{1,i}(:);
Error in spm_fnirs>push_specify_Callback (line 75)
spm_fnirs_specify1st_ui;
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in spm_fnirs (line 25)
gui_mainfcn(gui_State, varargin{:});
Error in @(hObject,eventdata)spm_fnirs('push_specify_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback

Regards,
Harleen Chhabra
PhD scholar,
NIMHANS, India