redireccion por si 404

src/controllers/ProductController.php

@@ -36,19 +36,17 @@ class ProductController extends Controller
     {
 
     	$product = Product::where('slug',$slug)->first();
-    	$otros = $product->category->products()->where('active', true)->where("id", "<>", $product->id)->inRandomOrder()->take(config("product.product-show.otros"))->get(); 
-
         $categories = Category::all();
 
         if ($product != null) {
             if (!$product->active) {
-                return redirect('inactivo');
+               return redirect()->route("main.product")->with('inactivo', 'No esta disponible');
             }
         } else {
-            return redirect('no_existe');
+            return redirect()->route("main.product")->with('notFound', 'No existe');
         }
 
-        
+        $otros = $product->category->products()->where('active', true)->where("id", "<>", $product->id)->inRandomOrder()->take(config("product.product-show.otros"))->get(); 
 
         return view('product-public::single')
             ->with('product', $product)