--- /nfs/contents1/ird/web-tan.forum.impressrd.jp/htdocs/sites/all/modules/prev_next/prev_next.module	2016-01-29 22:05:12.000000000 +0900
+++ /nfs/contents1/ipc/netshop.impress.co.jp/htdocs/sites/all/modules/prev_next/prev_next.module	2017-01-27 16:03:27.000000000 +0900
@@ -217,7 +217,7 @@ function _prev_next_add($nid) {
         ))->fetchField();
         if (empty($category_id)) {
           $cond = '';
-          watchdog('prev_next', 'Node ' . $nid . ' missing taxonomy id for field_data_' . $category, WATCHDOG_ERROR);
+          watchdog('prev_next', 'Node @nid missing taxonomy id for field_data_@category', array('@nid'=>$nid, '@category' => $category), WATCHDOG_ERROR);
         }
         else {
           $cond = " AND " . $category . "_tid = " . $category_id . " ";