ANSYS新人建模求助

大家好，我建了一个ANSYS命令流，但是保存截面的时候出错，大家能帮忙看看吗？

/UNITS,MKS
/PREP7
K,1
K,27,0,0.26
KFILL,1,27
K,31,31.4
K,57,31.4,0.26
KFILL,31,57

K,29,0.9
K,30,30.5

K,58,,-0.036
K,59,0.432,-0.036
K,60,0.468,-0.036
K,61,0.9,-0.036
K,62,-0.15,-3.17
K,63,0.432,-3.17
K,64,0.468,-3.17
K,65,1.05,-3.17
K,66,-0.15,-3.24
K,67,1.05,-3.24

K,68,30.5,-0.036
K,69,30.932,-0.036
K,70,30.968,-0.036
K,71,31.4,-0.036
K,72,30.35,-3.17
K,73,30.932,-3.17
K,74,30.968,-3.17
K,75,31.55,-3.17
K,76,30.35,-3.24
K,77,31.55,-3.24

*DO,I,1,26
L,I,I+1
*ENDDO

*DO,I,1,26
L,I+30,I+31
*ENDDO

*DO,I,1,27
L,I,I+30
*ENDDO

L,1,29
L,29,61
L,61,58
L,58,1

L,59,60
L,60,64
L,64,63
L,63,59

L,62,65
L,65,67
L,67,66
L,66,62



L,30,31
L,31,71
L,71,68
L,68,30

L,69,70
L,70,74
L,74,73
L,73,69

L,72,75
L,75,77
L,77,76
L,76,72

*DO,I,1,26
AL,I,I+52,I+26,I+53
*ENDDO

AL,80,81,82,83
AL,84,85,86,87
AL,88,89,90,91

AL,92,93,94,95
AL,96,97,98,99
AL,100,101,102,103


*DO,I,1,26
MP,EX,1000+I,3.6e+10
MP,DENS,1000+I,2600
MP,ALPX,1000+I,1.0E-5
*ENDDO

*DO,I,27,32
MP,EX,1000+I,2.06e+11
MP,DENS,1000+I,12704.778
MP,ALPX,1000+I,1.2E-5
MP,REFT,1000+I,2.57
*ENDDO

MP,REFT,1001,2.660
MP,REFT,1002,2.842
MP,REFT,1003,3.025
MP,REFT,1004,3.208
MP,REFT,1005,3.392
MP,REFT,1006,3.575
MP,REFT,1007,3.758
MP,REFT,1008,3.942
MP,REFT,1009,4.125
MP,REFT,1010,4.308
MP,REFT,1011,4.492
MP,REFT,1012,4.675
MP,REFT,1013,4.858
MP,REFT,1014,5.042
MP,REFT,1015,5.225
MP,REFT,1016,5.408
MP,REFT,1017,5.925
MP,REFT,1018,6.775
MP,REFT,1019,7.625
MP,REFT,1020,8.475
MP,REFT,1021,9.325
MP,REFT,1022,10.175
MP,REFT,1023,11.025
MP,REFT,1024,11.875
MP,REFT,1025,12.725
MP,REFT,1026,13.575

ET,1,PLANE82
*DO,I,1,32
ASEL,S,AREA,,I
AATT,1000+I,,1
*ENDDO

ALLSEL
ESIZE,0.01
MSHAPE,0,2D
MSHKEY,1
AMESH,ALL
!SECWRITE,MYSECTION,SECT