大侠们帮我看看，lisrel为什么运行不了呢？

Ch7a Path Modela using LISREL syntax
DATA NI=9 NO=281 MA=CM
CM SY
.402
.466 2.537
.185 .667 .649
.174 .704 .368 .910
.167 .578 .272 .421 .693
.157 .483 .207 .330 .320 .600
.221 .730 .346 .463 .392 .387 .779
.172 .647 .370 .270 .369 .250 .333 .768
1.406 2.883 .949 .154 .347 .274 .527 1.116 85.137
LA; OUTCOME COMMIT VALUE JOBSTYLE TEAMWORK LEADERSH LEARNING ENVIRONM TENURE
MODEL NY=2 NX=7 PS=DI,FR PH=SY,FR BE=FU,FI GA=FU,FI
FREE BE(1,2) GA(2,1) GA(2,2) GA(2,3) GA(2,4) GA(2,5) GA(2,6) GA(2,7) GA(1,7)
FIX

H(1,7) PH(2,7) PH(3,7) PH(4,7) PH(5,7) PH(6,7)
PD
OUTPUT  SE TV RS MR FS EF SS SC MI
运行结果显示
DATE: 07/03/2009
                              TIME: 12:33
                           P R E L I S  2.70
                                    BY
                     Karl G. J攔eskog & Dag S攔bom

                  This program is published exclusively by
                  Scientific Software International, Inc.
                     7383 N. Lincoln Avenue, Suite 100
                     Lincolnwood, IL 60712, U.S.A.

hone: (800)247-6113, (847)675-0720, Fax: (847)675-2140
      Copyright by Scientific Software International, Inc., 1981-2004
      Use of this program is subject to the terms specified in the
                     Universal Copyright Convention.
                        Website: www.ssicentral.com
The following lines were read from file D:\program\lisrel\lisrel-data\CD file\Ch7\Lisrel\Ch7a.LS8:
Ch7a Path Modela using LISREL syntax
DATA  NI=9 NO=281 MA=CM
CM SY

F_A_T_A_L  E_R_R_O_R: CM IS NOT A VALID LINE NAME. PROGRAM STOPPED.
                     ERROR CODE 404.
原来可以运行的，后来不知道为什么总说矩阵不对呢，为什么呢？