我用的是学生版的，运行之后总出现 F_A_T_A_L  E_R_R_O_R: The Student Version cannot handle 14 variables.                       For the Full Version contact SSI .
什么原因啊？？求赐教啊！！！
我的指令如下，各位大神帮忙看下问题在哪？
DA NI=14 NO=148 MA=KM
KM SY
1
.234 1
.153 .449 1
.116 .555 .664 1
.246 .072 .138 .154 1
.318 .185 .228 .111 .521 1
.295 .248 .258 .180 .375 .728 1
.052 .150 .168 .085 .079 .059 .052 1
.153 .140 .084 .031 .053 .162 .148 .576 1
.137 .195 .093 .017 .018 .158 .227 .402 .575 1
.184 .157 .178 .068 .103 .143 .139 .462 .424 .535 1
.236 .348 .213 .356 .295 .304 .303 .251 .245 .256 .227 1
.284 .249 .165 .263 .389 .370 .370 .089 .092 .163 .155 .576 1
.300 .321 .103 .160 .268 .379 .311 .167 .147 .254 .214 .547 .678 1
MO NX=14 NK=4 LX=FU , FI PH=ST TD=DI , FR
PA LX
4(1 0 0 0)
3(0 1 0 0)
4(0 0 1 0)
3(0 0 0 1)
OU MI SS SC