PADS9.2导入Orcad的网表老出错

pads9.2导入Orcad的网表老出错，同样的一个网表在9.01版本的PADS里导入就没有问题，不大家有没有这个问题！
*Not valid pin name for part type U55.1
U55.1 R487.1 C686.2 R486.1 R484.2
*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal N79297233
*Not valid pin name for part type U55.2
C686.1 U55.2 C687.1 U43.2
*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal N79304473
*Not valid pin name for part type D64.2
R496.1 D64.2
*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal N79481101
*Not valid pin name for part type D64.1
D64.1 R481.2 T16.2
*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal N70573017
*Not valid pin name for part type D63.2
U42.11 R494.2 D63.2 R488.1
请问这些问题怎么解决？

U55 pin name有問題，
OrCAD U55 pin name與對應PADS的footprint不符，
如此便會產生one pin net現象。

U55的PCB封装少了第51脚
其他的为单接网络