dparsf预处理时总出现这样的错误，不懂，求教

Submitted by niuwen on Fri, 03/27/2015 - 09:28

 ??? Error using ==> class

Cannot change the number of fields of class 'file_array' without first
typing 'clear classes'.
 
Error in ==> file_array.file_array at 39
a     = class(a,'file_array');
 
Error in ==> nifti.nifti at 70
        dat   = file_array(vol.iname,dim,[dt,vol.be],offs,slope,inter);
 
Error in ==> rest_spm_vol_nifti at 16
N  = nifti(fname);
 
Error in ==> rest_spm_vol>subfunc at 139
    V = rest_spm_vol_nifti(p);
 
Error in ==> rest_spm_vol>subfunc1 at 87
    v = subfunc(P(i,:));
 
Error in ==> rest_spm_vol>subfunc2 at 73
    V = subfunc1(P);
 
Error in ==> rest_spm_vol at 57
V = subfunc2(P);
 
Error in ==> rest_ReadNiftiImage at 98
    V = rest_spm_vol(filename);
 
Error in ==> y_Reslice at 34
    [RefData, RefHead]   = rest_ReadNiftiImage(InputFile);
 
Error in ==> DPARSF_run at 863
            y_Reslice(Filename,DPARSF_Normalized_TempImage,[1 1 1],0);
 
Error in ==> DPARSF>pushbuttonRun_Callback at 994
    [Error]=DPARSF_run(handles.Cfg);
 
Error in ==> gui_mainfcn at 96
        feval(varargin{:});
 
Error in ==> DPARSF at 47
    gui_mainfcn(gui_State, varargin{:});
 
??? Error while evaluating uicontrol Callback
 

Submitted by ciweihuabai on Thu, 04/02/2015 - 17:04

老师，您好！
      我是用的是SPM8，处理时也出现‘clear classes’的问题，重新加载了SPM8的路径，以及Rest 的路径，问题出现在‘Detrend’的时候，在Rest以及DPARSF里面都有这个问题。
      已经尝试过路径不含空格；SPM8加载子文件路径，而rest不加载子文件路径。