diff -u b/includes/errors.inc b/includes/errors.inc
--- b/includes/errors.inc
+++ b/includes/errors.inc
@@ -197,6 +197,11 @@
     // $number does not use drupal_static as it should not be reset
     // as it uniquely identifies each PHP error.
     static $number = 0;
+if (!isset($error['!message'])) {
+  file_put_contents('./trace.txt', var_export(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS), TRUE) . "\n");
+  file_put_contents('./error.txt', var_export($error, TRUE) . "\n");
+}
+
     $assertion = array(
       $error['!message'],
       $error['%type'],
diff -u b/modules/dblog/dblog.module b/modules/dblog/dblog.module
--- b/modules/dblog/dblog.module
+++ b/modules/dblog/dblog.module
@@ -147,20 +147,20 @@
   if (!array_has_PDOException($log_entry)) { // If it was a DB error don't write to the DB.
     Database::getConnection('default', 'default')->insert('watchdog')
       ->fields(array(
-        'uid' => $log_entry['uid'],
-        'type' => substr($log_entry['type'], 0, 64),
-        'message' => $log_entry['message'],
+        'uid'       => $log_entry['uid'],
+        'type'      => substr($log_entry['type'], 0, 64),
+        'message'   => $log_entry['message'],
         'variables' => serialize($log_entry['variables']),
-        'severity' => $log_entry['severity'],
-        'link' => substr($log_entry['link'], 0, 255),
-        'location' => $log_entry['request_uri'],
-        'referer' => $log_entry['referer'],
-        'hostname' => substr($log_entry['ip'], 0, 128),
+        'severity'  => $log_entry['severity'],
+        'link'      => substr($log_entry['link'], 0, 255),
+        'location'  => $log_entry['request_uri'],
+        'referer'   => $log_entry['referer'],
+        'hostname'  => substr($log_entry['ip'], 0, 128),
         'timestamp' => $log_entry['timestamp'],
       ))
       ->execute();
   } else {
-    _drupal_log_error($log_entry, TRUE);
+    _drupal_log_error($log_entry['variables'], TRUE);
   }
 }