这个问题是怎么解决

我LONGIC里面画了元件，可SEND NETLIST说找不到，有这样的提示
Reading file --D:pads Projectspadsnet.asc
Alternate decals must have same number of terminals
S1SW-NKK-JF15@TC0102[/email]
Alternate decals must have same number of terminals
S3SW-SPST-NO@TC-120[/email]
*Part name not found S1
J1.3 S2.1 S1.1
*Part name not found S1
J1.1 S1.3 S2.3 S3.2 S4.2
*Part name not found S3
J1.2 S3.1
*Bad *CONNECTION* ascii data format, nets must contain more than one pin. Signal $$$27793
ATTRIBUTE VALUES
Error: Component S1 not found
ATTRIBUTE VALUES
Error: Component S3 not found
Warning: deleting signal $$$27793
**INPUT WARNINGS FOUND**

没有找到对应的封装。