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 22206)
+++ /branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products_UploadCSV.php	(revision 22241)
@@ -584,5 +584,5 @@
 
         // 在庫無制限フラグ列を利用する場合、
-        if (array_key_exists('stock_unlimited', $sqlval)) {
+        if (array_key_exists('stock_unlimited', $sqlval) and $sqlval['stock_unlimited'] != '') {
             // 在庫無制限フラグ = 無制限の場合、
             if ($sqlval['stock_unlimited'] == UNLIMITED_FLG_UNLIMITED) {