请帮忙分析下这个“ECO In Report”

** ECO In Report **
Tue Oct 06 10:23:39 2009
Input  File : d:\PADS Projects\eco2pcb.eco
Current Job : Untitled

* Warning: deleting single-pin signal D00
* Warning: deleting single-pin signal D01
* Warning: deleting single-pin signal D02
* Warning: deleting single-pin signal D03
* Warning: deleting single-pin signal D04
* Warning: deleting single-pin signal D05
* Warning: deleting single-pin signal D06
* Warning: deleting single-pin signal D07

Attribute Dictionary was modified during import operations.?The following
attributes were added to the Attribute Dictionary as non-ECO Registered:
50V

删除了D00到D07这8个网络

D00-D07为单接网络，要确认一下原理图是否正确。

这种错误是否可以忽略呢?谢谢

如果你觉得可以忽略的话。

不好意思，俺是新手。你的意思是可以忽略嗎?
另外，原理圖是PADS 自帶的那個SAMPLES裡邊的，怎麼會這樣呢?謝謝

问一下电子工程师，是否可以忽略。我之前也遇到过这种情况。