diff --git a/app/Http/Controllers/SelfUpdateController.php b/app/Http/Controllers/SelfUpdateController.php
index f304482fac6b..75d2442fcdae 100644
--- a/app/Http/Controllers/SelfUpdateController.php
+++ b/app/Http/Controllers/SelfUpdateController.php
@@ -11,13 +11,14 @@
 
 namespace App\Http\Controllers;
 
-use App\Exceptions\FilePermissionsFailure;
 use App\Utils\Ninja;
+use App\Models\Company;
 use App\Utils\Traits\AppSetup;
-use App\Utils\Traits\ClientGroupSettingsSaver;
-use Illuminate\Foundation\Bus\DispatchesJobs;
 use Illuminate\Support\Facades\Artisan;
 use Illuminate\Support\Facades\Storage;
+use App\Exceptions\FilePermissionsFailure;
+use Illuminate\Foundation\Bus\DispatchesJobs;
+use App\Utils\Traits\ClientGroupSettingsSaver;
 
 class SelfUpdateController extends BaseController
 {
@@ -109,11 +110,33 @@ class SelfUpdateController extends BaseController
 
         $this->buildCache(true);
 
+        $this->runModelChecks();
+
         nlog('Called Artisan commands');
 
         return response()->json(['message' => 'Update completed'], 200);
     }
 
+    private function runModelChecks()
+    {
+        Company::query()
+               ->cursor()
+               ->each(function ($company){
+
+                $settings = $company->settings;
+
+                if(property_exists($settings->pdf_variables, 'purchase_order_details'))
+                    return;
+
+                    $pdf_variables = $settings->pdf_variables;
+                    $pdf_variables->purchase_order_details = [];
+                    $settings->pdf_variables = $pdf_variables;
+                    $company->settings = $settings;
+                    $company->save();
+
+               });
+    }
+
     private function clearCacheDir()
     {
         $directoryIterator = new \RecursiveDirectoryIterator(base_path('bootstrap/cache'), \RecursiveDirectoryIterator::SKIP_DOTS);
diff --git a/app/Http/Livewire/PdfSlot.php b/app/Http/Livewire/PdfSlot.php
index a97444ba89ee..edb8c2e2aa5a 100644
--- a/app/Http/Livewire/PdfSlot.php
+++ b/app/Http/Livewire/PdfSlot.php
@@ -195,15 +195,15 @@ class PdfSlot extends Component
 
         }
         elseif($this->entity_type == 'quote'){
-            foreach($this->settings->pdf_variables->quote_details as $variable)
+            foreach($this->settings->pdf_variables->quote_details ?? [] as $variable)
                 $entity_details .= "<div class='flex px-5 block'><p class= w-36 block'>{$variable}_label</p><p class='pl-5 w-36 block entity-field'>{$variable}</p></div>";
         }
         elseif($this->entity_type == 'credit') {
-            foreach($this->settings->pdf_variables->credit_details as $variable)
+            foreach($this->settings->pdf_variables->credit_details ?? [] as $variable)
                 $entity_details .= "<div class='flex px-5 block'><p class= w-36 block'>{$variable}_label</p><p class='pl-5 w-36 block entity-field'>{$variable}</p></div>";
         }
         elseif($this->entity_type == 'purchase_order'){
-            foreach($this->settings->pdf_variables->purchase_order_details as $variable)
+            foreach($this->settings->pdf_variables->purchase_order_details ?? [] as $variable)
                 $entity_details .= "<div class='flex px-5 block'><p class= w-36 block'>{$variable}_label</p><p class='pl-5 w-36 block entity-field'>{$variable}</p></div>";
         }