模型问题

哪位大哥能帮我分析下这段命令流问题出哪了
/prep7
et,1,plane42
KEYOPT,1,3,1
mp,ex,1,1.15e5
mp,prxy,1,0.30782
mp,dens,1,4.48e-9
K,1,226,208.8,,
K,2,226,258.7,,
K,3,157,258.7,,
K,4,237.5,220.3,,
K,5,229.2,220.3,,
K,6,237.5,208.8,,
K,7,126,276.7,,
K,8,138,276.7,,
K,9,102.5,263,,
K,10,102.5,248.7,,
K,11,237.5,273.8,,
K,12,237.5,264.1,,
K,13,135,248.7,,
K,14,243.85,273.8,,
K,15,243.85,254.8,,
K,16,229.2,254.8,,
K,17,162.5,264.1,,

LSTR, 1, 2
LSTR, 2, 3
LSTR, 1, 6
LSTR, 6, 4
LSTR, 4, 5
LSTR, 5, 16
LSTR, 16, 15
LSTR, 15, 14
LSTR, 14, 11
LSTR, 11, 12
LSTR, 12, 17
LSTR, 8, 7
LSTR, 7, 9
LSTR, 9, 10
LSTR, 10, 13
lplot
LTAN,11,8,,,,
LTAN,2,13,,,,
AL,all
/PNUM,LINE,0

k,18,0,0,0
k,19,0,0,300
vrotat,all,,,,,,18,19,60
提示错误。但是不知道改怎么去解决