when my code starts I get this message, then it starts to work

Warning: “C:\dynare_v4\matlab\kronecker;” not found in path.

In rmpath at 62
In dynare_config at 64
In dynare at 41

Configuring Dynare …
[mex] Generalized QZ.
[mex] Sylvester equation solution.
[mex] Kronecker products.
[mex] Sparse kronecker products.

Starting Dynare …
Starting preprocessing of the model file …
34 equation(s) found
Processing derivation …
Processing Order 1… done
Processing outputs …
Preprocessing completed.
Starting Matlab computing .