仿真时ORCAD遇到的问题Unable to open file .lib "nom.lib"

**** 09/16/10 10:33:12 ******* PSpice 10.5.0 (Jan 2005) ******* ID# 2090008641
** Profile: "SCHEMATIC1-bias"  [ D:\Program Files\OrCAD\OrCAD_Data\0915-pspicefiles\schematic1\bias.sim ]
****     CIRCUIT DESCRIPTION
******************************************************************************

** Creating circuit file "bias.cir"
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
*Libraries:
* Profile Libraries :
.INC "D:\Program Files\OrCAD\OrCAD_Data\0915-pspicefiles\schematic1\bias\bias_profile.inc"
* Local Libraries :
* From [PSPICE NETLIST] section of D:\Program Files\OrCAD\OrCAD_10.5\tools\PSpice\PSpice.ini file:
-------------------------------------------------------------------------------------------$
ERROR -- Unable to open 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 0915
C_C3         GND_POWER N00763  17.2n  
V_V         N00629 GND_POWER 500Vdc
Z_Z1         N00629 N00836 N00763 CM200HA-24H
X_TX1    N02177 N02058 N02589 N02527 SCHEMATIC1_TX1
Z_Z2         N00629 N00862 N00693 CM200HA-24H
D_D1         N02527 N02887 Dbreak
Z_Z3         N00763 N01441 GND_POWER CM200HA-24H
D_D2         N02589 N02887 Dbreak
R_R         N03024 N03094 600k
Z_Z4         N00693 N01189 GND_POWER CM200HA-24H
D_D3         N03094 N02589 Dbreak
D_D4         N03094 N02527 Dbreak
V_V1         N00836 N00763   STIMULUS=v1qudong
V_V2         N00862 N00693   STIMULUS=v2qudong
C_Cf         N03094 N03024 Cbreak 104p
V_V3         N01441 GND_POWER   STIMULUS=v3qudong
L_Lr         N02177 N00693  33.8uH  
V_V4         N01189 GND_POWER   STIMULUS=v4qudong
L_Lf         N02887 N03024 Lbreak 32H
C_C1         N00763 N00629  17.2n  
C_Cb         N00763 N02058 143.7n
C_C2         N00693 N00629  6n  
C_C4         GND_POWER N00693  6n  
.subckt SCHEMATIC1_TX1 1 2 3 4  
K_TX1         L1_TX1 L2_TX1 0.99 TN33_20_11_2P90
L1_TX1         1 2 6
L2_TX1         3 4 1000
.ends SCHEMATIC1_TX1
**** RESUMING bias.cir ****
.END
仿真时出现这个“**** 09/16/10 10:33:12 ******* PSpice 10.5.0 (Jan 2005) ******* ID# 2090008641
** Profile: "SCHEMATIC1-bias"  [ D:\Program Files\OrCAD\OrCAD_Data\0915-pspicefiles\schematic1\bias.sim ]
****     CIRCUIT DESCRIPTION
******************************************************************************

** Creating circuit file "bias.cir"
** WARNING: THIS AUTOMATICALLY GENERATED FILE MAY BE OVERWRITTEN BY SUBSEQUENT SIMULATIONS
*Libraries:
* Profile Libraries :
.INC "D:\Program Files\OrCAD\OrCAD_Data\0915-pspicefiles\schematic1\bias\bias_profile.inc"
* Local Libraries :
* From [PSPICE NETLIST] section of D:\Program Files\OrCAD\OrCAD_10.5\tools\PSpice\PSpice.ini file:
-------------------------------------------------------------------------------------------$
ERROR -- Unable to open file
.lib "nom.lib"
*Analysis directives:
.OP
.PROBE V(alias(*)) I(alias(*)) W(alias(*)) D(alias(*)) NOISE(alias(*))
.INC "..\SCHEMATIC1.net"
出现这个，应该怎么解决呢?向各位求助