diff --git a/addons/default/visiosoft/advs-module/resources/lang/en/message.php b/addons/default/visiosoft/advs-module/resources/lang/en/message.php
index 8fb05b55f..2ee555855 100644
--- a/addons/default/visiosoft/advs-module/resources/lang/en/message.php
+++ b/addons/default/visiosoft/advs-module/resources/lang/en/message.php
@@ -26,4 +26,5 @@ return [
     'replicated_success' => 'The ad has been replicated successfully!',
     'ad_doesnt_exist' => "This ad doesn't exist!",
     'select_location_error' => "Please select a location on the map!",
+    'this_ad_is_not_valid_anymore' => "This ad is not valid anymore!",
 ];
diff --git a/addons/default/visiosoft/advs-module/src/Adv/AdvPresenter.php b/addons/default/visiosoft/advs-module/src/Adv/AdvPresenter.php
index 38b99bb8f..1f0aaa106 100644
--- a/addons/default/visiosoft/advs-module/src/Adv/AdvPresenter.php
+++ b/addons/default/visiosoft/advs-module/src/Adv/AdvPresenter.php
@@ -62,7 +62,7 @@ class AdvPresenter extends EntryPresenter
     public function isCorporate()
     {
         $user_id = $this->getObject()->created_by;
-        if ($user_id && $user_id->register_type != null) {
+        if ($user_id->register_type != null) {
             return $user_id->register_type;
         } else {
             return 1;
diff --git a/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php b/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php
index f46783a6e..288349272 100644
--- a/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php
+++ b/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php
@@ -485,6 +485,11 @@ class AdvsController extends PublicController
         $adv = $this->adv_repository->getListItemAdv($id);
 
         if ($adv && (!$adv->expired() || $adv->created_by_id === \auth()->id())) {
+            // Check if created by exists
+            if (!$adv->created_by) {
+                $this->messages->error('visiosoft.module.advs::message.this_ad_is_not_valid_anymore');
+                return $this->redirect->route('visiosoft.module.advs::list');
+            }
 
             if ($this->adv_model->is_enabled('complaints')) {
                 $complaints = ComplaintsComplainTypesEntryModel::all();