Undefined variable $slot

Hey all, The code bellow worked for quite some time, but after changing the php version to , I get the error 'undefined variable on '$os'

setup() itself does not have access to the component instance - this will have a value of undefined inside setup() Slots (Non-reactive object, equivalent to

laravel $slot Undefined variable: slot エラーを調べた限り変数が定義されていない

undefined variable $slot slot variable, instead of yielding a content section: !-- views slot, you would get an error Undefined variable: scripts While