REST中DICOM数据分类出现错误

老师：
     您好！我用的是matlabR2010b，安装在d盘，调用REST进行DICOM数据分类时出现以下错误，单个序列用SPM进行DICOM转成 NIfTI是可以进行。不知道什么原因造成REST报错呢？下一步怎么解决？
    谢谢！

错误提示如下：
     Now REST is Running on 0 workers.
Warning: Directory already exists.
> In rest_DicomSorter_gui>btnRun_Callback at 175
  In gui_mainfcn at 96
  In rest_DicomSorter_gui at 26
??? Reference to non-existent field 'ProtocolName'.

Error in ==> rest_DicomSorter at 33
        dirname=[outdir,filesep,dicominfotmp.PatientID,filesep,Indextmp(end-3:end),'_',dicominfotmp.ProtocolName];
       
Error in ==> rest_DicomSorter_gui>btnRun_Callback at 180
    dirlist=[rest_DicomSorter(handles.Cfg.DataDirs{i},outfile,dicomtype,handles.Cfg.DirectoryHierarchy);dirlist];
   
Error in ==> gui_mainfcn at 96
        feval(varargin{:});

Error in ==> rest_DicomSorter_gui at 26
    gui_mainfcn(gui_State, varargin{:});
 
??? Error while evaluating uicontrol Callback

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