diff --git a/app/Filament/Resources/InvoiceValidationResource/Pages/CreateInvoiceValidation.php b/app/Filament/Resources/InvoiceValidationResource/Pages/CreateInvoiceValidation.php
index b98d054..f0cd68b 100644
--- a/app/Filament/Resources/InvoiceValidationResource/Pages/CreateInvoiceValidation.php
+++ b/app/Filament/Resources/InvoiceValidationResource/Pages/CreateInvoiceValidation.php
@@ -17,9 +17,9 @@ use Filament\Resources\Pages\CreateRecord;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Mail;
 use Illuminate\Support\Facades\Storage;
+use Livewire\Attributes\On;
 use Maatwebsite\Excel\Facades\Excel;
 use Str;
-use Livewire\Attributes\On;
 
 class CreateInvoiceValidation extends CreateRecord
 {
@@ -53,6 +53,7 @@ class CreateInvoiceValidation extends CreateRecord
     public bool $showCapacitorInput = false;
 
     public $excel_file;
+
     public $mInvoiceNo;
 
     public function getFormActions(): array
@@ -121,8 +122,7 @@ class CreateInvoiceValidation extends CreateRecord
 
         // ..GET SERIAL INVOICE API
 
-        if(strlen($invoiceNumber) > 15)
-        {
+        if (strlen($invoiceNumber) > 15) {
 
             $payloadJson = base64_decode(strtr($parts[1], '-_', '+/'));
 
@@ -132,41 +132,44 @@ class CreateInvoiceValidation extends CreateRecord
                     ->danger()
                     ->seconds(1)
                     ->send();
+
                 return;
             }
 
             $payload = json_decode($payloadJson, true);
 
-
-            if (!isset($payload['data'])) {
+            if (! isset($payload['data'])) {
                 Notification::make()
                     ->title('Invalid payload for scanned qr code.')
                     ->info()
                     ->seconds(1)
                     ->send();
+
                 return;
             }
 
             $documentData = $payload['data'];
 
-            if($documentData == '' || $documentData == ''){
+            if ($documentData == '' || $documentData == '') {
                 Notification::make()
                     ->title('Invalid payload for scanned qr code.')
                     ->info()
                     ->seconds(1)
                     ->send();
+
                 return;
             }
 
-                // Extract DocNo
+            // Extract DocNo
             preg_match('/"DocNo"\s*:\s*"([^"]+)"/', $documentData, $matches);
 
-            if (!isset($matches[1])) {
+            if (! isset($matches[1])) {
                 Notification::make()
                     ->title('Invoice number not found.')
                     ->info()
                     ->seconds(1)
                     ->send();
+
                 return;
             }
 
@@ -175,7 +178,7 @@ class CreateInvoiceValidation extends CreateRecord
             }
         }
 
-        //dd($invoiceNumber);
+        // dd($invoiceNumber);
 
         // ..
 
@@ -1427,6 +1430,7 @@ class CreateInvoiceValidation extends CreateRecord
                 return;
             }
 
+            $missingCodes = [];
             foreach ($rows as $index => $row) {
                 if ($index == 0) {
                     continue;
@@ -1438,8 +1442,8 @@ class CreateInvoiceValidation extends CreateRecord
                     if (Str::length($materialCode) < 6) {
                         continue;
                     } else {
-                        $sticker = StickerMaster::where('plant_id', $plantId)->whereHas('item', function ($query) use ($materialCode) {
-                            $query->where('plant_id', $this->plantId)->where('code', $materialCode);  // Check if item.code matches Excel's materialCode
+                        $sticker = StickerMaster::where('plant_id', $plantId)->whereHas('item', function ($query) use ($plantId, $materialCode) {
+                            $query->where('plant_id', $plantId)->where('code', $materialCode); // $this->plantId >> Check if item.code matches Excel's materialCode
                         });
                         if ($sticker->exists()) {
                             if ($sticker->first()->material_type && ! empty($sticker->first()->material_type)) {
@@ -1450,6 +1454,8 @@ class CreateInvoiceValidation extends CreateRecord
                                 break;
                             }
                         } else {
+                            $missingCodes[] = $materialCode;
+
                             continue;
                         }
                     }
@@ -1458,7 +1464,26 @@ class CreateInvoiceValidation extends CreateRecord
                 }
             }
 
-            if ($invoiceType == 'M') {
+            $uniqueCodes = array_unique($missingCodes);
+
+            if (! empty($uniqueCodes)) {
+                $missingCount = count($uniqueCodes);
+
+                $message = $missingCount > 10 ? "'$missingCount' item codes are not found in database for choosed plant." : 'The following item codes are not found in database for choosed plant:<br>'.implode(', ', $uniqueCodes);
+
+                Notification::make()
+                    ->title('Unknown: Item Codes')
+                    ->body($message)
+                    ->danger()
+                    ->seconds(3)
+                    ->send();
+                $this->dispatch('playWarnSound');
+
+                // if ($disk->exists($filePath)) {
+                //     $disk->delete($filePath);
+                // }
+                return;
+            } elseif ($invoiceType == 'M') {
                 $invalidMatCodes = [];
                 $materialCodes = [];
                 $missingQuantities = [];
@@ -3195,7 +3220,7 @@ class CreateInvoiceValidation extends CreateRecord
 
                         if (! empty($emails)) {
                             Mail::to($emails)->send(
-                                new InvalidSerialMail($serNo, $invoiceNumber, $mPlantName, $mInvoiceType, $itemCode,$mUserName,'NotFoundInvoice')
+                                new InvalidSerialMail($serNo, $invoiceNumber, $mPlantName, $mInvoiceType, $itemCode, $mUserName, 'NotFoundInvoice')
                             );
                         } else {
                             \Log::warning("No recipients found for plant {$plantId}, module Serial, rule invalid_serial.");