输出网络表格时出了错

大家好，我用的是pads2007的，今天遇到一个问题，就是我在输出网络表到PADS LAYOUT 时出现以下的错误，请问是哪里设计不对还是真的有错。 特别是*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal $$$25872
*Part name not found 1 这是什么意思呢，我画的线路都没有被转过来，只剩下元器件了，这个就是怪了，请各位高手帮我分析分析呢，谢谢！
Reading file --C:PADS Projectspadsnet.asc
*Part name not found 1
1.1.1 1.3.1 1.2.1
*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal $$$25872
*Part name not found 1
1.1.61 1.2.61 1.3.61
*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal $$$25890
Warning: deleting signal $$$25872
Warning: deleting signal $$$25890
**INPUT WARNINGS FOUND**