diff --git a/app/Http/Controllers/InvitationController.php b/app/Http/Controllers/InvitationController.php
index 263b2ac4a..318fdaef1 100644
--- a/app/Http/Controllers/InvitationController.php
+++ b/app/Http/Controllers/InvitationController.php
@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use App\Models\Invitation;
+use App\Models\Settings; // Added for registerstatus check
 use App\Services\InvitationService;
 use Illuminate\Http\JsonResponse;
 use Illuminate\Http\RedirectResponse;
@@ -26,6 +27,33 @@ class InvitationController extends BasePageController
     {
         $this->setPreferences();
 
+        $inviteMode = (int) Settings::settingValue('registerstatus') === Settings::REGISTER_STATUS_INVITE;
+        if (! $inviteMode) {
+            // Invitations disabled: show informational message only, no queries.
+            $this->smarty->assign([
+                'invite_mode' => false,
+                'status' => null,
+                'stats' => [],
+                'invitations' => [],
+                'pagination_links' => null,
+                'csrf_token' => csrf_token(),
+            ]);
+
+            $meta_title = 'Invitations Disabled';
+            $meta_keywords = 'invitations,disabled';
+            $meta_description = 'Invitations are currently disabled on this site.';
+
+            $content = $this->smarty->fetch('invitations_index.tpl');
+            $this->smarty->assign([
+                'content' => $content,
+                'meta_title' => $meta_title,
+                'meta_keywords' => $meta_keywords,
+                'meta_description' => $meta_description,
+            ]);
+            $this->pagerender();
+            return;
+        }
+
         $status = $request->get('status');
         $user = auth()->user();
 
@@ -53,6 +81,7 @@ class InvitationController extends BasePageController
         }
 
         $this->smarty->assign([
+            'invite_mode' => true,
             'invitations' => $invitationsArray,
             'stats' => $stats,
             'status' => $status,
@@ -87,6 +116,26 @@ class InvitationController extends BasePageController
     {
         $this->setPreferences();
 
+        $inviteMode = (int) Settings::settingValue('registerstatus') === Settings::REGISTER_STATUS_INVITE;
+        if (! $inviteMode) {
+            $this->smarty->assign([
+                'invite_mode' => false,
+                'csrf_token' => csrf_token(),
+            ]);
+            $meta_title = 'Invitations Disabled';
+            $meta_keywords = 'invitations,disabled';
+            $meta_description = 'Invitations are currently disabled on this site.';
+            $content = $this->smarty->fetch('invitations_create.tpl');
+            $this->smarty->assign([
+                'content' => $content,
+                'meta_title' => $meta_title,
+                'meta_keywords' => $meta_keywords,
+                'meta_description' => $meta_description,
+            ]);
+            $this->pagerender();
+            return;
+        }
+
         $user = auth()->user();
 
         // Calculate available invites (total - active pending invitations)
@@ -97,8 +146,8 @@ class InvitationController extends BasePageController
             ->count();
 
         $availableInvites = $user->invites - $activeInvitations;
-
         $this->smarty->assign([
+            'invite_mode' => true,
             'user_roles' => config('nntmux.user_roles', []),
             'csrf_token' => csrf_token(),
             'old' => old(),
@@ -134,6 +183,10 @@ class InvitationController extends BasePageController
      */
     public function store(Request $request): RedirectResponse
     {
+        if ((int) Settings::settingValue('registerstatus') !== Settings::REGISTER_STATUS_INVITE) {
+            return redirect()->route('invitations.index')->with('error', 'Invitations are currently disabled.');
+        }
+
         $request->validate([
             'email' => 'required|email|unique:users,email',
             'expiry_days' => 'sometimes|integer|min:1|max:30',
@@ -233,6 +286,10 @@ class InvitationController extends BasePageController
      */
     public function resend(int $id): RedirectResponse
     {
+        if ((int) Settings::settingValue('registerstatus') !== Settings::REGISTER_STATUS_INVITE) {
+            return redirect()->route('invitations.index')->with('error', 'Invitations are currently disabled.');
+        }
+
         try {
             $invitation = Invitation::findOrFail($id);
 
@@ -257,6 +314,10 @@ class InvitationController extends BasePageController
      */
     public function destroy(int $id): RedirectResponse
     {
+        if ((int) Settings::settingValue('registerstatus') !== Settings::REGISTER_STATUS_INVITE) {
+            return redirect()->route('invitations.index')->with('error', 'Invitations are currently disabled.');
+        }
+
         try {
             $invitation = Invitation::findOrFail($id);
 
@@ -281,6 +342,10 @@ class InvitationController extends BasePageController
      */
     public function stats(): JsonResponse
     {
+        if ((int) Settings::settingValue('registerstatus') !== Settings::REGISTER_STATUS_INVITE) {
+            return response()->json(['message' => 'Invitations are disabled'], 404);
+        }
+
         $stats = $this->invitationService->getUserInvitationStats(auth()->id());
 
         return response()->json($stats);
diff --git a/resources/views/themes/Gentele/invitations_create.tpl b/resources/views/themes/Gentele/invitations_create.tpl
index e6e630468..782db478f 100644
--- a/resources/views/themes/Gentele/invitations_create.tpl
+++ b/resources/views/themes/Gentele/invitations_create.tpl
@@ -1,3 +1,28 @@
+{if !$invite_mode}
+<div class="header">
+    <div class="breadcrumb-wrapper">
+        <nav aria-label="breadcrumb">
+            <ol class="breadcrumb">
+                <li class="breadcrumb-item"><a href="{$site->home_link}">Home</a></li>
+                <li class="breadcrumb-item"><a href="{url('/profile')}">Profile</a></li>
+                <li class="breadcrumb-item"><a href="{url('/invitations')}">My Invitations</a></li>
+                <li class="breadcrumb-item active">Invitations Disabled</li>
+            </ol>
+        </nav>
+    </div>
+</div>
+<div class="container-fluid px-4 py-3">
+    <div class="row">
+        <div class="col-md-8 mx-auto">
+            <div class="alert alert-warning shadow-sm">
+                <h5 class="mb-2"><i class="fa fa-ban me-2"></i>Invitations Disabled</h5>
+                <p class="mb-3">User invitations are currently disabled on this site. You cannot send new invitations at this time.</p>
+                <a href="{url('/profile')}" class="btn btn-outline-secondary"><i class="fa fa-arrow-left me-1"></i> Back to Profile</a>
+            </div>
+        </div>
+    </div>
+</div>
+{else}
 <div class="header">
     <div class="breadcrumb-wrapper">
         <nav aria-label="breadcrumb">
@@ -164,3 +189,9 @@
                             </div>
                         </form>
                     {/if}
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+{/if}
diff --git a/resources/views/themes/Gentele/invitations_index.tpl b/resources/views/themes/Gentele/invitations_index.tpl
index aa941c6ac..e264e4c9d 100644
--- a/resources/views/themes/Gentele/invitations_index.tpl
+++ b/resources/views/themes/Gentele/invitations_index.tpl
@@ -1,3 +1,15 @@
+{if !$invite_mode}
+<div class="container-fluid px-4 py-3">
+    <div class="row">
+        <div class="col-md-8 mx-auto">
+            <div class="alert alert-warning shadow-sm">
+                <h5 class="mb-2"><i class="fa fa-ban me-2"></i>Invitations Disabled</h5>
+                <p class="mb-0">User invitations are currently disabled on this site. If you believe this is an error, please contact an administrator.</p>
+            </div>
+        </div>
+    </div>
+</div>
+{else}
 <div class="header">
     <div class="breadcrumb-wrapper">
         <nav aria-label="breadcrumb">
@@ -220,3 +232,4 @@
         </div>
     </div>
 </div>
+{/if}