报错

严老师：
     您好。我在运行DPARSFA时，出现以下错误。请问这是哪出问题了？
Running 'Run DARTEL (create Templates)'
Failed  'Run DARTEL (create Templates)'
Undefined function 'file2mat' for input arguments of type 'struct'.
In file "/home/shang/mat_tools/REST_V1.8_130615/rest_spm5_files/@file_array/subsref.m" (v315), function "subfun" at line 80.
In file "/home/shang/mat_tools/REST_V1.8_130615/rest_spm5_files/@file_array/subsref.m" (v315), function "subsref" at line 60.
In file "/home/shang/mat_tools/REST_V1.8_130615/rest_spm5_files/@nifti/subsref.m" (v253), function "rec" at line 219.
In file "/home/shang/mat_tools/REST_V1.8_130615/rest_spm5_files/@nifti/subsref.m" (v253), function "subsref" at line 45.
In file "/home/shang/mat_tools/spm8_201210/toolbox/DARTEL/spm_dartel_template.m" (v4064), function "spm_dartel_template" at line 99.

The following modules did not run:
Failed: Run DARTEL (create Templates)

Error using cfg_util (line 835)
Job execution failed. The full log of this run can be found in MATLAB command window,
starting with the lines (look for the line showing the exact #job as displayed in this
error message)
------------------
Running job #4
------------------

Error in spm_jobman (line 217)

Error in DPARSFA_run (line 1706)

Error in DPARSFA>pushbuttonRun_Callback (line 1601)

Error in gui_mainfcn (line 96)

Error in DPARSFA (line 33)

 
Error while evaluating uicontrol Callback