Error in metropolis_hastings_initialization

Dear Professor,

I get the following error message. Can you please help me with it?

Etimation::mcmc: One Chain mode.
Index exceeds matrix dimensions.
Error in metropolis_hastings_initialization (line 97)
fprintf(fidlog,’ Number of simulations per block: ’ int2str(nruns(1)) ‘\n’]);
Error in random_walk_metropolis_hastings (line 62)
ix2, ilogpo2, ModelName, MetropolisFolder, fblck, fline, npar, nblck, nruns, NewFile,
MAX_nruns, d ] = …
Error in dynare_estimation_1 (line 782)
Error in dynare_estimation (line 77)
Error in DSGE_1 (line 366)
Error in dynare (line 180)
evalin(‘base’,fname) ;
Error in DSGE_model (line 11)
dynare DSGE_1.mod

I use the following command

Much appreciated

You need at least 1 chain, but you set