Fatal error: Uncaught Error: Interface "Illuminate\Contracts\Database\Eloquent\Builder" not found in /home/sustaina/public_html/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/Relation.php:17 Stack trace: #0 {main} thrown in /home/sustaina/public_html/vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/Relation.php on line 17