请问报如下错误是什么意思呀，是我方程数目有问题吗，还是参数有问题。帮忙分析，谢谢了！

??? Error using ==> mldivide
Matrix dimensions must agree.

Error in ==> lnsrch1 at 64
alamin = tolx/test ;

Error in ==> solve1 at 127
    [x,f,fvec,check]=lnsrch1(xold,fold,g,p,stpmax,func,j1,j2,varargin{:});

Error in ==> dynare_solve at 126
        [x,info]=solve1(func,x,j1(r(i):r(i+1)-1),j2(r(i):r(i+1)-1),jacobian_flag,
        bad_cond_flag, varargin{:});

Error in ==> steady_ at 120
    [oo_.steady_state,check] = dynare_solve([M_.fname '_static'],...

Error in ==> steady at 54
steady_;

Error in ==> imf2 at 284
steady;

Error in ==> dynare at 120
evalin('base',fname) ;