Undeclared variable issue

Hello all,

I run the simulation from the building 7.0.0 library.
Once I hit simulation button bunch of errors are appeared as shown bellow.
It seems something wrong with the class as shown here
@AN ​​​​​​​I looked at your response that you provided but I could not solve the issue. Could you please clarify it again? Thanks for your help


SIMULATION ​​​​​​​Edu ​​​​​​​