POWERPCB文件转ALLEGRO文件出错！求救！

在ALLERGO导入ASC文件时出错，如下：

Translating E:/01 Au1200 Processor PMP Reference Design Layout.asc.
Reading PADS ASCII file header.
 Version = PowerPCB3.5
 Route Layers = 6
 Units = MILS
 Hatch mode = Vertical / Horizontal
 Hatch grid = 5.000000, angle = 0.000000, anti-pad spacing = 0.000315
Initializing new database.
 Creating layers.
Reading PADS ASCII file body.
 *PARTTYPE*
 *MISC*
 *MISC*
 *MISC*
 *MISC*
 *MISC*
 *REUSE*
PARSE ERROR: *REUSE* section is not supported.  Design can not be translated.
Line 82: TYPE 123
Finished with errors！

请问是什么错误?应怎样做?谢谢！