求助达人帮小女修改lingo程序,急

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sets:
nodes/o1,o2,o3,o4,o5,o6,o7,o8,m1,m2,m3,m4,m5,m6,m7,m8,d1,d2,d3,d4,d5,d6,d7,d8/:b;
arcs(nodes,nodes)/d1,m1 d1,m2 d2,d1 d2,m1 d3,m3 d3,m4 d4,d3 d4,m3 d5,d6 d5,m6 d6,m6 d6,m5 d7,d8 d7,m8 d8,m8 d8,m7
                  m1,m2 m1,d2 m1,o3 m2,d2 m2,d1 m2,o2 m3,o1 m3,m4 m3,d4 m4,o5 m4,d4 m4,d3 m5,o4 m5,d5 m5,d6 m6,m5 m6,d5 m6,o8 m7,o7 m7,d7 m7,d8 m8,o6 m8,m7                                                                                                                                                          m8,d7
                  o1,d2 o2,m4 o3,d5 o4,m2 o5,m7 o6,d4 o7,m5 o8,d7/:t,x;
endsets
data:
t=1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2
  1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
  1 1 1 1 1 1 1 1;
b=1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 -1 -1 -1 -1 -1 -1 -1 -1;
enddata
min=@sum(arcs(i,j): t(i,j)*x(i,j));
@for(nodes(i)|i #lt# @size(nodes):
   @sum(nodes(j):x(i,j)) - @sum(nodes(j):x(j,i))=b(i)
);

@for(arcs:@bnd(0,x,100));
end

很简单的模型，可老是有错误，本人刚入门，怎么都改不过来，很着急啊，求助各位高手尽快帮忙，小女在此谢过了

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关键词：lingo ING Lin NGO Nodes 程序 lingo

While executing your model, LINGO found a subscript that was out of range. For example, if you defined the attribute STAFF on the set /1..5/, then referencing STAFF( 6) would result in this error message. Non-integral subscripts will also generate this message. Please be sure your sets are defined across the intended range and that any subscript computations are correctly specified.

是啊，就是出现这个信息，可是怎么改啊？

拜托各位高手帮一下忙

你能不能把模型问题发出来，看看是不是建模本身就有问题呀？如果可以，在解决！！！

Post your picture here to prove you are a 小女 first.