This is pretty confusing. I thought only the State Supreme Court could rule on the Constitutionality of a law. And that a Court can't make or change laws.

But the Fake News Media doesn't care as long as it fits their agenda.
The judge ruled that under Florida's constitution, that change should have been crafted by the Florida Supreme Court, not the Legislature.
"As a matter of constitutional separation of powers, that procedure cannot be legislatively modified," Hirsch wrote in a 14-page order.