fix(hetzner): require at least one public IP protocol

app/Http/Controllers/Api/HetznerController.php

@@ -824,6 +824,16 @@ class HetznerController extends Controller
             $request->offsetSet('instant_validate', false);
         }
 
+        if (! $request->boolean('enable_ipv4') && ! $request->boolean('enable_ipv6')) {
+            return response()->json([
+                'message' => 'Validation failed.',
+                'errors' => [
+                    'enable_ipv4' => ['Enable at least one public IP protocol.'],
+                    'enable_ipv6' => ['Enable at least one public IP protocol.'],
+                ],
+            ], 422);
+        }
+
         // Validate cloud provider token
         $tokenUuid = $this->getCloudProviderTokenUuid($request);
         $token = CloudProviderToken::whereTeamId($teamId)

app/Livewire/Server/New/ByHetzner.php

@@ -620,6 +620,13 @@ class ByHetzner extends Component
     {
         $this->validate();
 
+        if (! $this->enable_ipv4 && ! $this->enable_ipv6) {
+            $this->addError('enable_ipv4', 'Enable at least one public IP protocol.');
+            $this->addError('enable_ipv6', 'Enable at least one public IP protocol.');
+
+            return null;
+        }
+
         try {
             $this->authorize('create', Server::class);