detreding error

Hello all,

I receive the following error message when detrending in DPARSF.
Does anyone know what it means and how to solve this?

Thanks, jan

Removing the linear trend: C:
Read 3D EPI functional images: "C:\Users\Documents\MATLAB\\FunImgNormalizedSmoothed\P5201PLA"..............................

Detrend working. Wait.............

Saving detrended images. Wait...Error using class
Cannot change the number of fields of class 'file_array' without first typing 'clear
classes'.

Error in file_array (line 39)
a = class(a,'file_array');

Error in rest_Write4DNIfTI (line 47)
dat = file_array;

Error in rest_detrend (line 117)
rest_Write4DNIfTI(AllVolume,Header_Out,sprintf('%s%sdetrend_4DVolume.nii',
theResultOutputDir ,filesep));

Error in DPARSF_run (line 988)
rest_detrend([AutoDataProcessParameter.DataProcessDir,filesep,FunImgDir,filesep,AutoDataProcessParameter.SubjectID{i}],
'_detrend');

Error in DPARSF>pushbuttonRun_Callback (line 996)
[Error]=DPARSF_run(handles.Cfg);

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

Error in DPARSF (line 48)
gui_mainfcn(gui_State, varargin{:});

Error while evaluating uicontrol Callback

Error | Forum of resting-state fMRI

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