diff --git a/app/Models/Item.php b/app/Models/Item.php
index bed95e2..5e80092 100644
--- a/app/Models/Item.php
+++ b/app/Models/Item.php
@@ -74,6 +74,11 @@ class Item extends Model
         return $this->hasMany(ClassCharacteristic::class, 'item_id', 'id');
     }
 
+    public function windedSerialValidationErrors()
+    {
+        return $this->hasMany(WindedSerialValidationError::class, 'item_id', 'id');
+    }
+
     public function requestCharacteristics()
     {
         return $this->hasMany(RequestCharacteristic::class, 'item_id', 'id');
diff --git a/app/Models/Machine.php b/app/Models/Machine.php
index 7263328..4caf091 100644
--- a/app/Models/Machine.php
+++ b/app/Models/Machine.php
@@ -48,6 +48,11 @@ class Machine extends Model
         return $this->hasMany(ClassCharacteristic::class, 'machine_id', 'id');
     }
 
+    public function windedSerialValidationErrors()
+    {
+        return $this->hasMany(WindedSerialValidationError::class, 'machine_id', 'id');
+    }
+
     public function requestCharacteristics()
     {
         return $this->hasMany(RequestCharacteristic::class, 'machine_id', 'id');
diff --git a/app/Models/Plant.php b/app/Models/Plant.php
index cdc6593..dbc57eb 100644
--- a/app/Models/Plant.php
+++ b/app/Models/Plant.php
@@ -164,10 +164,10 @@ class Plant extends Model
     //     return $this->hasMany(ModelMaster::class, 'plant_id', 'id');
     // }
 
-    // public function windedSerialValidationErrors()
-    // {
-    //     return $this->hasMany(WindedSerialValidationError::class, 'plant_id', 'id');
-    // }
+    public function windedSerialValidationErrors()
+    {
+        return $this->hasMany(WindedSerialValidationError::class, 'plant_id', 'id');
+    }
 
     public function requestCharacteristics()
     {