diff --git a/app/Services/CommonService.php b/app/Services/CommonService.php
index f23c213..e4be18c 100644
--- a/app/Services/CommonService.php
+++ b/app/Services/CommonService.php
@@ -134,6 +134,8 @@ abstract class CommonService
     //생성용
     protected function create_process(array $formDatas): CommonEntity
     {
+        //PrimaryKey 필드는 생성에서 제외
+        unset($formDatas[$this->model->primaryKey]);
         $result = $this->model->insert($formDatas, $this->model->useAutoIncrement());
         if ($result === false) {
             $errors = $this->model->errors();