diff --git a/app/Filament/Imports/ProcessOrderImporter.php b/app/Filament/Imports/ProcessOrderImporter.php
index 1bf63ad..23f389d 100644
--- a/app/Filament/Imports/ProcessOrderImporter.php
+++ b/app/Filament/Imports/ProcessOrderImporter.php
@@ -6,6 +6,7 @@ use App\Models\Item;
 use App\Models\Line;
 use App\Models\Plant;
 use App\Models\ProcessOrder;
+use App\Models\ProductCharacteristicsMaster;
 use App\Models\User;
 use Filament\Actions\Imports\Exceptions\RowImportFailedException;
 use Filament\Actions\Imports\ImportColumn;
@@ -30,7 +31,7 @@ class ProcessOrderImporter extends Importer
                 ->rules(['required']),
             ImportColumn::make('line')
                 ->exampleHeader('LINE NAME')
-                ->example(' Poly Wrapped Wire SFG')
+                ->example('Poly Wrapped Wire SFG')
                 ->label('LINE NAME')
                 ->relationship(resolveUsing: 'name'),
             ImportColumn::make('item')
@@ -43,7 +44,7 @@ class ProcessOrderImporter extends Importer
             ImportColumn::make('process_order')
                 ->requiredMapping()
                 ->exampleHeader('PROCESS ORDER')
-                ->example('2025002123456')
+                ->example('202601123456')
                 ->label('PROCESS ORDER')
                 ->rules(['required']),
             ImportColumn::make('order_quantity')
@@ -104,10 +105,10 @@ class ProcessOrderImporter extends Importer
         $plant = null;
         $plantCod = trim($this->data['plant']) ?? '';
         $plantId = null;
-        $item = null;
         $iCode = trim($this->data['item']) ?? '';
         $itemId = null;
         $lineNam = trim($this->data['line']) ?? '';
+        $lineId = null;
         $processOrder = trim($this->data['process_order'] ?? '');
         $coilNo = trim($this->data['coil_number'] ?? '');
         $sfgNo = trim($this->data['sfg_number'] ?? '');
@@ -230,7 +231,7 @@ class ProcessOrderImporter extends Importer
             }
         }
 
-        if ($plantId && $itemCode && $lineId && $processOrder != '') {
+        if ($plantId && $itemId && $lineId && $processOrder != '') {
             $existingOrder = ProcessOrder::where('plant_id', $plantId)
                 ->where('process_order', $processOrder)
                 ->first();
@@ -238,6 +239,18 @@ class ProcessOrderImporter extends Importer
             if ($existingOrder && $existingOrder->item_id !== ($itemId ?? null)) {
                 $warnMsg[] = 'Same Process Order already exists for this Plant with a different Item Code!';
             }
+
+            $masterExist = ProductCharacteristicsMaster::where('plant_id', $plantId)->where('item_id', $itemId)->first();
+
+            if (! $masterExist) {
+                $warnMsg[] = 'Characteristics master not found for the given plant!';
+            } else {
+                $masterExist = ProductCharacteristicsMaster::where('plant_id', $plantId)->where('line_id', $lineId)->where('item_id', $itemId)->first();
+
+                if (! $masterExist) {
+                    $warnMsg[] = 'Characteristics master not found for the given line!';
+                }
+            }
         }
 
         // $user = User::where('name', $this->data['created_by'])->first();