Hi,
I was trying to use the DCP toolbox to construct connectome. Since it is toolbox, I can't figure out at what level it is creating any issue. I am getting following error.
It is running on Matlab 2018a.

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Error using save
Variable 'Matrix_FNum1024' not found.

Error in DCP_root_level (line 154)
save(['Matrix_FNum_1024_' threshold_1024 '_' init_angle '_' init_l_fa '_' init_seed '.mat'],
'Matrix_FNum1024');
Error in DCP>button_run_Callback (line 563)
DCP_root_level(path,handles);
Error in gui_mainfcn (line 95)
feval(varargin{:});
Error in DCP (line 42)
gui_mainfcn(gui_State, varargin{:});
Error in
matlab.graphics.internal.figfile.FigFile/read>@(hObject,eventdata)DCP('button_run_Callback',hObject,eventdata,guidata(hObject))
Error while evaluating UIControl Callback.
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Can anyone please help?

Best,
Arkaprava