Blade Slot - Undefined variable $slot

Undefined variable: data in view Laravel undefined variable $slot Undefined variable: header” The $header variable is populated using a named slot You can vmodel cannot be used on vfor or vslot scope variables because they are not writable Undefined variable $slot · Community Pillar Achievement Badge Community Pillar Earned once your experience points ranks in the top 10 of all Laracasts users

laravel $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