diff --git a/odex25_purchase/purchase_custom_stock/models/purchase_request.py b/odex25_purchase/purchase_custom_stock/models/purchase_request.py
index 0dc854dfb..8396e7cf7 100644
--- a/odex25_purchase/purchase_custom_stock/models/purchase_request.py
+++ b/odex25_purchase/purchase_custom_stock/models/purchase_request.py
@@ -67,13 +67,13 @@ class PurchaseRequest(models.Model):
     def create_requisition(self):
         """inherit for take in considiration available qty """
         self.is_requisition = True
-        if not self.employee_id.department_id:
+        if not self.sudo().employee_id.department_id:
             raise ValidationError(_("Choose A Department For this Employee!"))
         line_ids = []
         for line in self.line_ids.filtered(lambda line: line.qty_purchased > 0):
             line_ids.append((0, 6, {
                 'product_id': line.product_id.id,
-                'department_id': line.request_id.department_id.id or False,
+                'department_id': line.request_id.sudo().department_id.id or False,
                 'product_qty': line.qty_purchased,
                 'name': line.product_id.name,
                 'account_analytic_id': line.account_id.id,