GNS3 打开NP题库拓扑报错 求解答

lifei2006205

GNS3 management console. Running GNS3 version 1.2.3 on Windows (32-bit).
Copyright (c) 2006-2014 GNS3 Technologies.

=> ****** Exception detected, traceback information saved in C:/Users/lf/AppData/Roaming/GNS3\exception.log ******

PLEASE REPORT ON https://community.gns3.com/community/support/bug

Traceback (most recent call last):
  File "c:\users\vbox\documents\gns3 build\gns3-gui\gns3\main_window.py", line 452, in openProjectActionSlot
  File "c:\users\vbox\documents\gns3 build\gns3-gui\gns3\main_window.py", line 1375, in loadProject
  File "c:\users\vbox\documents\gns3 build\gns3-gui\gns3\main_window.py", line 1323, in _convertOldProject
  File "c:\python\32-bit\3.3\lib\importlib\_bootstrap.py", line 1567, in _find_and_load
  File "c:\python\32-bit\3.3\lib\importlib\_bootstrap.py", line 1534, in _find_and_load_unlocked
  File "./gns3-converter\gns3converter\main.py", line 22, in <module>
  File "c:\python\32-bit\3.3\lib\importlib\_bootstrap.py", line 1567, in _find_and_load
  File "c:\python\32-bit\3.3\lib\importlib\_bootstrap.py", line 1534, in _find_and_load_unlocked
  File "./gns3-converter\gns3converter\converter.py", line 18, in <module>
  File "c:\python\32-bit\3.3\lib\importlib\_bootstrap.py", line 1567, in _find_and_load
  File "c:\python\32-bit\3.3\lib\importlib\_bootstrap.py", line 1534, in _find_and_load_unlocked
  File "C:\Python33-32bit\lib\site-packages\configobj.py", line 1071, in <module>
  File "C:\Python33-32bit\lib\site-packages\configobj.py", line 1128, in ConfigObj
  File "c:\python\32-bit\3.3\lib\re.py", line 214, in compile
  File "c:\python\32-bit\3.3\lib\re.py", line 281, in _compile
  File "c:\python\32-bit\3.3\lib\sre_compile.py", line 498, in compile
  File "c:\python\32-bit\3.3\lib\sre_compile.py", line 483, in _code
  File "c:\python\32-bit\3.3\lib\sre_compile.py", line 102, in _compile
  File "c:\python\32-bit\3.3\lib\sre_compile.py", line 143, in _compile
  File "c:\python\32-bit\3.3\lib\sre_compile.py", line 102, in _compile
  File "c:\python\32-bit\3.3\lib\sre_compile.py", line 75, in _compile
  File "c:\python\32-bit\3.3\lib\sre_compile.py", line 362, in _simple
sre_constants.error: nothing to repeat

怎么解决？？最近要考试NP了，实验题却无法模拟操作，急急急！！！！