/home/canadacloudpharm/public_html/app/Http/Controllers/Frontend/ListingController.php
561
Too few arguments to function App\Http\Controllers\Frontend\ListingController::productdetail(), 3 passed in /home/canadacloudpharm/public_html/vendor/laravel/framework/src/Illuminate/Routing/Controller.php on line 54 and exactly 4 expected