about ICA 报错

老师：
     您好！
    我在运行ICA时，使用的是两组被试做对照，每组25例，设定运行次数50（之前用了100次报错说内存不够所以选用了50次）、自动估计成分，最后运行结束时，我想看所有被试的相同成分例如第26个成分，总是报错（如下示），不知道是什么原因，如果想提取（extract）这个成分出来，还是报错，麻烦老师您帮我看看，谢谢！

观察所有被试某个相同成分时报错：
Warning: Calling MEX-file
'D:\MATLAB\toolbox\mica_beta1.21_20110824\nic_functions\nic_spm5_files\nic_spm_slice_vol.dll'.
MEX-files with .dll extensions will not execute in a future version of MATLAB.
Warning: Calling MEX-file
'D:\MATLAB\toolbox\mica_beta1.21_20110824\nic_functions\nic_spm5_files\nic_spm_sample_vol.dll'.
MEX-files with .dll extensions will not execute in a future version of MATLAB.
??? Undefined function or variable 'subjectno'.

Error in ==> nic_rsdd_displayComponent at 46
                   ind=find(ulabel==labels(subjectno));

Error in ==> component_view_gui>ButOKHandle_Callback at 269
    nic_rsdd_displayComponent(handles.appConfig,parameters);

Error in ==> gui_mainfcn at 96
        feval(varargin{:});

Error in ==> component_view_gui at 53
    gui_mainfcn(gui_State, varargin{:});
 
??? Error while evaluating uicontrol Callback

提取这个成分时也报错：
??? Undefined function or variable 'subjectno'.

Error in ==> nic_rsdd_displayComponent at 46
                   ind=find(ulabel==labels(subjectno));

Error in ==> component_view_gui>ButOKHandle_Callback at 269
    nic_rsdd_displayComponent(handles.appConfig,parameters);

Error in ==> gui_mainfcn at 96
        feval(varargin{:});

Error in ==> component_view_gui at 53
    gui_mainfcn(gui_State, varargin{:});
 
??? Error while evaluating uicontrol Callback

??? Undefined function or variable 'subjectno'.

Error in ==> view_gui>HdlExtractComp_Callback at 740
           ind=find(ulabel==labels(subjectno));

Error in ==> gui_mainfcn at 96
        feval(varargin{:});

Error in ==> view_gui at 30
    gui_mainfcn(gui_State, varargin{:});
 
??? Error while evaluating uicontrol Callback