[attachment=0]ueiran.mod[/attachment][attachment=1]data1.m[/attachment]hi all

when I run the mod file this message appears, plz help me to solve this erroress:

Log data density [Laplace approximation] is -173.755846.

??? Error using ==> chol

Matrix must be positive definite.

Error in ==> metropolis_hastings_initialization at 68

d = chol(vv);

Error in ==> random_walk_metropolis_hastings at 62

ix2, ilogpo2, ModelName, MetropolisFolder, fblck, fline, npar, nblck, nruns,

NewFile, MAX_nruns, d ] = …

Error in ==> dynare_estimation_1 at 782

```
feval(options_.posterior_sampling_method,objective_function,options_.proposal_distribution,xparam1,invhess,bounds,dataset_,options_,M_,estim_params_,bayestopt_,oo_);
```

Error in ==> dynare_estimation at 89

dynare_estimation_1(var_list,dname);

Error in ==> ueiran at 611

dynare_estimation(var_list_);

Error in ==> dynare at 180

evalin(‘base’,fname) ;

the mod file and data file attached: