转网络出现的问题

ORCAD画的原理图,在转网络到POWERPCB里面出现以下问题,该怎么样解决啊:

Warning: deleting signal PCLK
Warning: deleting signal D16
Warning: deleting signal D18
Warning: deleting signal D22
Warning: deleting signal CAS#
Warning: deleting signal RAS#
Warning: deleting signal DQM1
Warning: deleting signal D6
Warning: deleting signal DQM0
Warning: deleting signal D10
Warning: deleting signal D30
Warning: deleting signal D4
Warning: deleting signal SDRAM_CS0#
Warning: deleting signal D27
Warning: deleting signal D9
Warning: deleting signal A14
Warning: deleting signal D29
Warning: deleting signal D20
Warning: deleting signal D25
Warning: deleting signal A11
Warning: deleting signal A5
Warning: deleting signal D2
Warning: deleting signal D28
Warning: deleting signal D17
请问是什么原因引起的啊?

该怎么样解决啊,急,请大家帮帮忙,不胜感激！

可能是原理图这边：D29 D20 D25 D2 D18 D17 没有元件number.查一查。

还有要查一查你用的二极管封装脚有没数字1或2.

这种显示是删掉了你那些D?的NET名字.在原理图可能是单一的一个点.没有相接的其他点.转进POWERPCB时就会自动提示删掉的.你要去查一下原理图这些线.