get the error "For deep learning, the simulation target language must be set to C++" while running the evaluatePolicy function automatically generated by Matlab

Hello everyone!

I trained a RL agent (PPO actor-critic agent), then I generated the evaluatePolicy() function with the generatePolicyFunction() function of MATLAB. Then, I wanted to run it into simulink as shown in the image below:

But I get this error:

Here is the content of my MatlabFunction block:

Does anyone know what I did wrong?

Best regards,

Nicolas

[Nicolas CRETIN]

I defined obs_test as follows:

obs_test = zeros(106,1);

Answer 1

[Nicolas CRETIN]

I've finally found the answer to my question on this post:

For deep learning, the simulation target language must be set to C++? I believe that I have set it properly. - MATLAB Answers - MATLAB Central (mathworks.com)