diff --git a/app/Filament/Resources/WorkGroupMasterResource.php b/app/Filament/Resources/WorkGroupMasterResource.php
index b1d7f2c..8b21ab2 100644
--- a/app/Filament/Resources/WorkGroupMasterResource.php
+++ b/app/Filament/Resources/WorkGroupMasterResource.php
@@ -56,17 +56,20 @@ class WorkGroupMasterResource extends Resource
                             ->afterStateUpdated(function ($state, $set, callable $get) {
                                 $plantId = $get('plant_id');
 
-                                $set('pqPlantError', null);
+                                $set('wgmPlantError', null);
                                 $set('name', null);
                                 $set('description', null);
                                 $set('operation_number', null);
                                 if (! $plantId) {
-                                    $set('pqPlantError', 'Please select a plant first.');
+                                    $set('wgmPlantError', 'Please select a plant first.');
 
                                     return;
                                 }
                             })
-                            ->hint(fn ($get) => $get('pqPlantError') ? $get('pqPlantError') : null)
+                            ->extraAttributes(fn ($get) => [
+                                'class' => $get('wgmPlantError') ? 'border-red-500' : '',
+                            ])
+                            ->hint(fn ($get) => $get('wgmPlantError') ? $get('wgmPlantError') : null)
                             ->hintColor('danger'),
                         Forms\Components\TextInput::make('name')
                             ->label('Group Work Center')