multi-label images 能在一个MASK里定义的ROI有上限吧？

‘我今天用 AAL .nii  作为 REST 中“ multi-label images in one mask'" 的 mask 文件，以提取AAL脑区的时间序列
但是出错了，似乎是由于 定义的ROI 数超过了 软件的限制，具体出错信息附后。麻烦指教，多谢！

REST 1.7， Matlab 2011b， WINDOWS XP 

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Extracting ROI time courses:    "H:\fMRI_tang\REST\ProcessingDemoData\test\FunImgNormalizedDetrendedFilteredCovremoved\Sub_001"
     Read 3D EPI functional images: "H:\fMRI_tang\REST\ProcessingDemoData\test\FunImgNormalizedDetrendedFilteredCovremoved\Sub_001".................................................

     ROI time courses retrieving through "H:\fMRI_tang\REST_V1.7_120101\REST_V1.7_120101\Template\aal.nii".Index exceeds matrix dimensions.

Error in rest_ExtractROITC_MultiValues (line 51)
                    theTimePoint = theTimePoint(maskROI);

Error in rest_ExtractROITC_gui>btnRun_Callback (line 188)
        rest_ExtractROITC_MultiValues(handles.Cfg.DataDirs{i,1}, handles.Cfg.ROIDef,handles.Cfg.OutputDir);

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

Error in rest_ExtractROITC_gui (line 27)
    gui_mainfcn(gui_State, varargin{:});
 
Error while evaluating uicontrol Callback