GraphVar - Brain Network Analysis - Part 2/2

[@saiprasannams3750]

Index exceeds the number of array elements (0).
Error in executeStats (line 234)
YSZ_ = size(DAT{1});
Error in GraphVar_corr (line 86)
[Files, LAB, N] = executeStats(allTasks, ...
Error in GraphVar>Btn_calcCorr_Callback (line 75)
GraphVar_corr(handles,allTask)
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in GraphVar (line 40)
gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)GraphVar('Btn_calcCorr_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback.
I keep getting this error. Any help please ?