I had no problem running the following model file in the Dynare4.5.7 version, but there was an error running the model file in the latest version 4.6.3，hoping to anwser.
steady_state.mod (2.9 KB) This is my model file.
You must not name your file
steady_state. Otherwise you will get
Dot indexing is not supported for variables of this type.
Error in steady_state.dynamic (line 6)
[residual, g1] = steady_state.dynamic_resid_g1(T, y, x, params, steady_state, it_, true);
Thank you for your help. Now the problem has been solved.Thank you very much