Blade Slot - Undefined variable $slot

If i replace $slot with yield, the error goes and the blade files are rendered well But the issue is the component rendered directly

The $header and $slot it actually belongs into a component When you create a laravel component let say app-layout so you can define variables

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 why we can use the slot variable $S twice in the above virtual_fc_adapters clause (once for Undefined Undefined c0:50:76:02:26:b7:00:0c