This breaks literally the entire panel.

app/Services/Nests/NestDeletionService.php

@@ -0,0 +1,59 @@
+<?php
+/**
+ * Pterodactyl - Panel
+ * Copyright (c) 2015 - 2017 Dane Everitt <dane@daneeveritt.com>.
+ *
+ * This software is licensed under the terms of the MIT license.
+ * https://opensource.org/licenses/MIT
+ */
+
+namespace Pterodactyl\Services\Nests;
+
+use Pterodactyl\Contracts\Repository\NestRepositoryInterface;
+use Pterodactyl\Exceptions\Service\HasActiveServersException;
+use Pterodactyl\Contracts\Repository\ServerRepositoryInterface;
+
+class NestDeletionService
+{
+    /**
+     * @var \Pterodactyl\Contracts\Repository\ServerRepositoryInterface
+     */
+    protected $serverRepository;
+
+    /**
+     * @var \Pterodactyl\Contracts\Repository\NestRepositoryInterface
+     */
+    protected $repository;
+
+    /**
+     * NestDeletionService constructor.
+     *
+     * @param \Pterodactyl\Contracts\Repository\ServerRepositoryInterface $serverRepository
+     * @param \Pterodactyl\Contracts\Repository\NestRepositoryInterface   $repository
+     */
+    public function __construct(
+        ServerRepositoryInterface $serverRepository,
+        NestRepositoryInterface $repository
+    ) {
+        $this->serverRepository = $serverRepository;
+        $this->repository = $repository;
+    }
+
+    /**
+     * Delete a nest from the system only if there are no servers attached to it.
+     *
+     * @param int $nest
+     * @return int
+     *
+     * @throws \Pterodactyl\Exceptions\Service\HasActiveServersException
+     */
+    public function handle(int $nest): int
+    {
+        $count = $this->serverRepository->findCountWhere([['nest_id', '=', $nest]]);
+        if ($count > 0) {
+            throw new HasActiveServersException(trans('exceptions.service.delete_has_servers'));
+        }
+
+        return $this->repository->delete($nest);
+    }
+}