Usage of prohibited block

I use Simulink of 2019b version, but this warnings "Usage of prohibited block" and "Usage of non-compliant blocks" are in every element, which i use in my electrical model. In model, i use Series Branch, Parallel Branch, Linear Transformer, AC Voltage Source. Because of does it happens?

Answer 1

[Sabin]

First of all I would check that there is a valid license of Simscape Electrical.