orCAD 网表文件导入PowerPCB 出错提示如下，如何解决？

Reading file --  G:\WORK\atmel\AT91SAM9263-EK Hardware files rev B\AT91SAM9263-EK Hardware files\AT91SAM9263-EK_REV_B.asc
*Unspecified or unsupported version of ASCII file
*PADS-PCB*

Can't find part Type item < B3S >
BP1              B3S

an't find part Type item < B3S >
BP2              B3S

Can't find part Type item < B3S >
BP3              B3S

Can't find part Type item < B3S >
BP4              B3S

。

Warning: deleting signal N13927776
Warning: deleting signal N17336882
Warning: deleting signal N17336885
Warning: deleting signal N18417350
**INPUT WARNINGS FOUND**

我也有同样问题