关于cadance 将原理导入allegro 出现的问题

今天在将sch导入PCB的时候碰到这样的问题,以下是相应的session log：
CmdLine: netrev.exe -5 -y 1 -i e:\source-work\bcm97455mb_v10\allegro E:\SOURCE-WORK\BCM97455MB_V10\200-115745-0000Gp1.brd C:\Documents and Settings\lance ying\桌面\qq.brd

------ Preparing to read pst files ------

Starting to read e:/source-work/bcm97455mb_v10/allegro/pstchip.dat
?? Finished reading e:/source-work/bcm97455mb_v10/allegro/pstchip.dat (00:00:00.20)
Starting to read e:/source-work/bcm97455mb_v10/allegro/pstxprt.dat
?? Finished reading e:/source-work/bcm97455mb_v10/allegro/pstxprt.dat (00:00:00.39)
Starting to read e:/source-work/bcm97455mb_v10/allegro/pstxnet.dat
?? Finished reading e:/source-work/bcm97455mb_v10/allegro/pstxnet.dat (00:00:00.42)

------ Oversights/Warnings/Errors ------


WARNING: U4101 component device pin number mismatch; cannot replace.

#1?? ERROR(302) Device library error detected.

Error with pin number 'AC16' in device 'BCM7401B0_1_BGA676_35X35_050_SK': 'Unable to find pinname in adfncpin.'.

#2?? ERROR(302) Device library error detected.

Problems building functions in device 'BCM7401B0_1_BGA676_35X35_050_SK': 'Unable to find pinname in adfncpin.'.

Device 'BCM7401B0_1_BGA676_35X35_050_SK' has library errors. Unable to transfer to Allegro.

WARNING: J2608 component device pin number mismatch; cannot replace.

------ Summary Statistics ------


#3?? ERROR(102) Run stopped because errors were detected

netrev run on Dec 24 21:15:56 2007
?? DESIGN NAME : 'BCM97455MBV10_XX'
?? PACKAGING ON Jun 17 2005 00:56:10
那位朋友能够帮助分析一下问题在那里，谢谢！