Error in computing likelihood


I have a problem with estimation. After loading the data, I get the following error message:

Loading 79 observations from paper.m

Error in computing likelihood for initial parameter values
??? Error using ==> print_info at 40
Blanchard Kahn conditions are not satisfied: no stable equilibrium

Error in ==> initial_estimation_checks at 101
print_info(info, options_.noprint)

Error in ==> dynare_estimation_1 at 122

Error in ==> dynare_estimation at 62

Error in ==> lunwen at 308

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

This is my code :
paper.mod (5.87 KB)