A non-numeric value encountered

       $popular = Search::orderBy('frequency', 'desc')->pluck('query')->all();

        $popularProduct = Product::with('thumbnail', 'reviews', 'deals')->get();

        foreach ($popular as $key => $value) {
            $popularProduct->where('name', 'like', '%' . $value . '%');
        }
        $popularProduct = $popularProduct->where('status', 1)->shuffle()->take(5);

blade file

                                                        {{ $popularProduct[4]->pricing_scheme->price * Session::get('currentCurrency')->rate }}</span>

appserviceprovider boot method

 $currency = Currency::where('code', 'USD')->first();
        if (!session()->has('currentCurrency')) {
            session()->put('currentCurrency', $currency);
        }

while dd($popular);

array:78 [▼
  0 => "skybag"
  1 => "pant"
  2 => "Shoe"
  3 => "Man's pant"
  4 => "Track Jogger Pants for man"
  5 => "One Piece dress for girl"
  6 => "pants"
  7 => "dress"
  8 => "clothing"
  9 => "carpet"
  10 => "goat"
  11 => "Led tv"
  12 => "tshirt"
  13 => "bil"
  14 => "Fortuna  26MTB 2WD"
  15 => "bike"
  16 => "t-shirt"
  17 => "hwt"
  18 => "sneaker"
  19 => "bag"
  20 => "Old Car"
  21 => "test"
  22 => "track"
  23 => "2wd"
  24 => "car"
  25 => "Printed"
  26 => "Mini tractor"
  27 => "shirt"
  28 => "bicycle"
  29 => "Wireless Earphone"
  30 => "Brass cooker and kitchenwere"
  31 => "Garjoo Taiwan"
  32 => "bed"
  33 => "hotel"
  34 => "Narayan Prasad Dhital"
  35 => "fortuna"
  36 => "ewewer"
  37 => "chair"
  38 => "Annimal"
  39 => "vehicle"
  40 => "Escort"
  41 => "Track Jogger Pants for man"
  42 => "Philips 8.5 W Round B22 LED Bulb"
  43 => "Authentic Printed Tee"
  44 => "old durbar"
  45 => "david"
  46 => "Tractor"
  47 => "buffalo"
  48 => "baby product"
  49 => "robot"
  50 => "Bluetooth Speaker"
  51 => "Khujati"
  52 => "wireless"
  53 => "Crystal Furnitech Sigma Engineered Wood Coffee Table"
  54 => "Dabur Chyawanprash 500 Gm"
  55 => "Jhummar"
  56 => "t"
  57 => "FOOTWEAR"
  58 => "tshi"
  59 => "nara"
  60 => "Carpt"
  61 => "Basketball Sneaker"
  62 => "gf"
  63 => "pan"
  64 => "garjoo"
  65 => "shoesn"
  66 => "dhital"
  67 => "sho"
  68 => "conv"
  69 => "furn"
  70 => "carp"
  71 => "plastic peni"
  72 => "you make"
  73 => "jogg"
  74 => "wine"
  75 => "head"
  76 => "Printed t-shirt"
  77 => "333"
]

while dd($popularProduct)

Illuminate\Database\Eloquent\Collection {#2062 ▼
  #items: array:5 [▶]
  #escapeWhenCastingToString: false
}

how can i resolve this