diff --git a/apps/pc_frontend/i18n/messages.ja.xml b/apps/pc_frontend/i18n/messages.ja.xml
index d3723b5..cdb967d 100644
--- a/apps/pc_frontend/i18n/messages.ja.xml
+++ b/apps/pc_frontend/i18n/messages.ja.xml
@@ -182,6 +182,10 @@
         <source>Configuring was successfull.</source>
         <target>設定を保存しました</target>
       </trans-unit>
+      <trans-unit id="">
+        <source>Failed to configure.</source>
+        <target>設定変更に失敗しました。</target>
+      </trans-unit>
       <trans-unit id="">
         <source>[%Community% Topic] (%1% %community%) %2%</source>
         <target>[%Community%トピック] (%1% %community%) %2%</target>