Error when running FC analysis

Hello,

I am getting the following Matlab error when trying to run ROI based functional connectivity analysis in DPARSF. Could someone help me out?

Thanks!

Calculating Functional Connectivity by Seed based Correlation Anlyasis...
Read 3D EPI functional images: "D:\Multiband\FunRaw\Sub_02"................................................................................................................
Error using y_SCA (line 63)
Reference to non-existent field 'mat'.

Error in DPARSFA_run>(parfor body) (line 3341)
y_SCA([AutoDataProcessParameter.DataProcessDir,filesep,FunSessionPrefixSet{iFunSession},AutoDataProcessParameter.StartingDirName,filesep,AutoDataProcessParameter.SubjectID{i}],
...

Error in DPARSFA_run (line 3318)
parfor i=1:AutoDataProcessParameter.SubjectNum

Error in DPARSFA>pushbuttonRun_Callback (line 1601)
[Error]=DPARSFA_run(handles.Cfg);

Error in gui_mainfcn (line 96)
feval(varargin{:});

Error in DPARSFA (line 33)
gui_mainfcn(gui_State, varargin{:});

Caused by:
Reference to non-existent field 'mat'.

Error while evaluating uicontrol Callback