proE三维模型如何导入到marc中

苏桐再语

点击marc菜单下的import，选好proE模型路径，为何导入失败呢？
曾经导入成功过，哪里也没有改动，之后再导入就失败了，跪求赐教~~~
生成的错误wizard log为：
#########################################################################
##
## Wizard summary log file for model:
##     C:/Users/Administrator/./asm0001#18.fbm
##
## Requested operations:
##     Repair :     YES
##     Transform :  YES
##     Prepare :    YES                        (Target system - STL)
##     Export :     YES                        (Target system - STL)
##     PDQ check :  NO
##                             9.0 (17510/13372*) UBID: 9.0.0.8.3czybr1y
#########################################################################


Importing assembly model from ProE...

CAD import failed. No file created.

Possible causes:
   - import license not available.
   - invalid file format.
   - corrupt file.

Import log written to file:
  C:/Users/Administrator/./asm0001#18_CADimport.log

Elapsed time: 00:00:05

############################ REPORT ###########################

MODEL     E:/xiaolunwen/300lengzhaji/asm0001.asm.fbm
STATUS    FAIL
IMPORT       FAIL - Failed to import model E:/xiaolunwen/300lengzhaji/asm0001.asm.18
REPAIR       NONE - Not performed
TRANSFORM    NONE - Not performed
PREPARE      NONE - Not performed
EXPORT       NONE - Not performed
PDQ          NONE - Not performed

############################# END #############################

本学渣刚入门，请各位学霸不吝赐教~~感激不尽~~~