Method Illuminate\Database\Eloquent\Collection::with does not exist. laravel controller code example
Example 1: Method Illuminate\Database\Eloquent\Collection::save does not exist.
Remove Model class from the function parameter..
public function update(Request $request, *remove this class name* $id){
}
Example 2: Method Illuminate\Database\Eloquent\Collection::delete does not exist.
$post->each->delete();