MATLAB: I have this error whenever I try to define a fixed interval. How could I solve it

Question

What should I do here?

Answer 1

It looks like you are not having license for 'Fixed-Point Designer' toolbox. You can try the trial version of this toolbox by installing it through this link. To get a license for 'Fixed-Point Designer' toolbox, you can contact MathWorks support -https://www.mathworks.com/support.html