Index: /branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products_UploadCSV.php
===================================================================
--- /branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products_UploadCSV.php	(revision 21376)
+++ /branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products_UploadCSV.php	(revision 21399)
@@ -163,5 +163,8 @@
     function doUploadCsv(&$objFormParam, &$objUpFile) {
         // ファイルアップロードのチェック
-        $objUpFile->makeTempFile('csv_file');
+        $this->arrErr['csv_file'] = $objUpFile->makeTempFile('csv_file');
+        if (strlen($this->arrErr['csv_file']) >= 1) {
+            return;
+        }
         $arrErr = $objUpFile->checkExists();
         if (count($arrErr) > 0) {