Index: /branches/version-2/data/class/pages/admin/basis/LC_Page_Admin_Basis_Payment_Input.php
===================================================================
--- /branches/version-2/data/class/pages/admin/basis/LC_Page_Admin_Basis_Payment_Input.php	(revision 16741)
+++ /branches/version-2/data/class/pages/admin/basis/LC_Page_Admin_Basis_Payment_Input.php	(revision 17726)
@@ -104,5 +104,5 @@
         case 'upload_image':
             // ファイル存在チェック
-            $this->arrErr = array_merge($this->arrErr, $this->objUpFile->checkEXISTS($_POST['image_key']));
+            $this->arrErr = $this->objUpFile->checkEXISTS($_POST['image_key']);
             // 画像保存処理
             $this->arrErr[$_POST['image_key']] = $this->objUpFile->makeTempFile($_POST['image_key']);