Error Message when MCMC...

[rockyyao]

Dear all,

I have two questions about the MCMC algrithm in Dynare.

1) I want to estimate the postior distribution by 500,000 times, which is common practice in the literature. Because my computer
is not good enough to do it in one time, I let my computer do it accumulatively, by running MCMC 100,000 times at each run by 5 times and using the "load_mh_file" option in the estimation command. Is it correct to do so? If it generates the same answer as when I run MCMC by 500,000 times at once?

2) When I do this accumulative computation, sometimes (not always) I got the following error message:

MH: I'm loading past metropolis-hastings simulations...
MH: ... It's done. I've loaded 200000 simulations.

??? Error using ==> load
Unable to read file ./NKPC16_Bays8/metropolis/NKPC16_Bays8_mh33_blck1.mat: No such file or directory.

Error in ==> random_walk_metropolis_hastings at 60
load(['./' MhDirectoryName '/' ModelName '_mh' int2str(NewFile(b)) ...

Error in ==> dynare_estimation at 920
feval(options_.posterior_sampling_method,'DsgeLikelihood',options_.proposal_distribution,xparam1,invhess,bounds,gend,data);

Error in ==> NKPC16_Bays8 at 269
dynare_estimation(var_list_);

Error in ==> dynare at 102
evalin('base',fname) ;

Can anyone help to figure out what is wrong with it?

Thank you in advance and looking forward to having your answer

Roc