diff --git a/plugins/baser-core/src/Service/UsersService.php b/plugins/baser-core/src/Service/UsersService.php
index 12a6acf3cc..3d57f7d431 100644
--- a/plugins/baser-core/src/Service/UsersService.php
+++ b/plugins/baser-core/src/Service/UsersService.php
@@ -192,10 +192,7 @@ private function createIndexConditions(Query $query, array $params): Query
     public function create(array $postData): ?EntityInterface
     {
         $loginUser = BcUtil::loginUser();
-        if(empty($postData['user_groups']['_ids'])) {
-            throw new BcException(__d('baser_core', 'ユーザーグループを指定してください。'));
-        }
-        if(in_array(Configure::read('BcApp.adminGroupId'), $postData['user_groups']['_ids'])) {
+        if(!empty($postData['user_groups']['_ids']) && in_array(Configure::read('BcApp.adminGroupId'), $postData['user_groups']['_ids'])) {
             if(BcUtil::isInstalled() && !$loginUser->isAddableToAdminGroup()) {
                 throw new BcException(__d('baser_core', '特権エラーが発生しました。'));
             }