I tried to run the vanilla RBC model given on Dynare’s website but MATLAB is giving me error always! Desperately need help! Dont know how to proceed. 
dynare rbc.mod
Configuring Dynare …
[mex] Generalized QZ.
[mex] Sylvester equation solution.
[mex] Kronecker products.
[mex] Sparse kronecker products.
[mex] Local state space iteration (second order).
[mex] Bytecode evaluation.
[mex] k-order perturbation solver.
[mex] k-order solution simulation.
[mex] Quasi Monte-Carlo sequence (Sobol).
[mex] Markov Switching SBVAR.
Starting Dynare (version 4.4.3).
Starting preprocessing of the model file …
Found 7 equation(s).
Evaluating expressions…done
Computing static model derivatives:
- order 1
Computing dynamic model derivatives: - order 1
Processing outputs …done
Preprocessing completed.
Starting MATLAB/Octave computing.
Undefined function ‘dates’ for input arguments of type ‘double’.
Error in global_initialization (line 347)
options_.initial_period = dates(1,1);
Error in rbc (line 15)
global_initialization;
Error in dynare (line 180)
evalin(‘base’,fname) ;
rbc.mod (1.39 KB)