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 d7cb4c7de..d3a67fb0a 100644
--- a/addons/default/visiosoft/advs-module/resources/lang/en/message.php
+++ b/addons/default/visiosoft/advs-module/resources/lang/en/message.php
@@ -27,4 +27,5 @@ return [
     'success_delete' => 'Ad Deleted',
     'pending_ad_status' => 'Your ad is pending approval by the Editor.',
     'extended' => ':number ad(s) has been extended successfully.',
+    'category_not_exist' => 'This category does not exist anymore!',
 ];
diff --git a/addons/default/visiosoft/advs-module/src/Adv/AdvRepository.php b/addons/default/visiosoft/advs-module/src/Adv/AdvRepository.php
index 94b0c6ebf..50f7aac4c 100644
--- a/addons/default/visiosoft/advs-module/src/Adv/AdvRepository.php
+++ b/addons/default/visiosoft/advs-module/src/Adv/AdvRepository.php
@@ -84,12 +84,15 @@ class AdvRepository extends EntryRepository implements AdvRepositoryInterface
         if (!empty($param['cat'])) {
             $cat = new CategoryModel();
             $cat_d = $cat->find($param['cat']);
-            if ($cat_d->parent_category_id == null)
-                $catLevel = 1;
-            else
-                $catLevel = $cat->getCatLevel($param['cat']);
-            $catLevel = "cat" . $catLevel;
-            $query = $query->where($catLevel, $param['cat']);
+            if ($cat_d) {
+                if ($cat_d->parent_category_id == null) {
+                    $catLevel = 1;
+                } else {
+                    $catLevel = $cat->getCatLevel($param['cat']);
+                }
+                $catLevel = "cat" . $catLevel;
+                $query = $query->where($catLevel, $param['cat']);
+            }
         }
         if (!empty($param['user'])) {
             $query = $query->where('advs_advs.created_by_id', $param['user']);
diff --git a/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php b/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php
index 77c01c3db..101e7f943 100644
--- a/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php
+++ b/addons/default/visiosoft/advs-module/src/Http/Controller/advsController.php
@@ -158,11 +158,16 @@ class AdvsController extends PublicController
             }
         } elseif (isset($param['cat']) && !empty($param['cat'])) {
             $categoryId = $this->category_repository->find($param['cat']);
-            return redirect($this->fullLink(
-                $param,
-                route('adv_list_seo', [$categoryId->slug]),
-                array()
-            ));
+            if ($categoryId) {
+                return redirect($this->fullLink(
+                    $param,
+                    route('adv_list_seo', [$categoryId->slug]),
+                    array()
+                ));
+            } else {
+                $this->messages->error(trans('visiosoft.module.advs::message.category_not_exist'));
+                return redirect('/');
+            }
         }
 
         // Search by city slug