Control System Tuner error message : Tuning gains store as Simulink.Parameters is not supported

I have this error message Tuning gains store as Simulink.Parameters is not supported when i try to add tunable blocks in Control System Tuner. I don't unsterdand why? Can somebody help me please?

Answer 1

[Arkadiy Turevskiy]

The gain value of your AVR_Gain block is defined by Simulink.Parameter. This is not supported by Control System Tuner.

You can define the gain value in the block as a numeric value or workspace variable.