希望大家能够帮我解决一下这简单的问题~~

我刚刚开始学写ORCAD。用的是OrCAD 10.3.

电路的原理图在附件里，但是在进行直流工作点仿真的时候出现以下问题：

**** 06/16/07 20:47:15 ******* PSpice 10.3.0 (Jan 2004) ******* ID# 1111111111
 ** Profile: "SCHEMATIC1-DC1-BIAS"  [ F:\PSpice\DC1-PSpiceFiles\SCHEMATIC1\DC1-BIAS.sim ]

 ****     CIRCUIT DESCRIPTION

******************************************************************************

** Creating circuit file "DC1-BIAS.cir"
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS

*Libraries:
* Profile Libraries :
* Local Libraries :
* From [PSPICE NETLIST] section of C:\OrCAD\OrCAD_10.3\tools\PSpice\PSpice.ini file:
.lib "nom.lib"

*Analysis directives:
.OP
.PROBE V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
.INC "..\SCHEMATIC1.net"

**** INCLUDING SCHEMATIC1.net ****
* source DC1
R_Rc         N000651 N02145  4.7k 
R_R1         N02179 N02145  10k 
R_R2         0 N02179  2.2k 
R_Re         0 N001130  1k 
V_Vcc         N02145 0 12Vdc

**** RESUMING DC1-BIAS.cir ****
.END

ERROR -- Less than 2 connections at node N000651
ERROR -- Less than 2 connections at node N001130

各位帮帮我这个菜鸟吧。先谢谢各位拉。