Make sure that the total index is set before trying to access it.

data/spamRules.php

@@ -91,7 +91,7 @@ $rules['ip'][] = function($spam) {
     if ($result = $db->query($sql)) {
         $row = $result->fetch_assoc();
 
-        if ($row['total'] >= 1) {
+        if (isset($row['total']) && $row['total'] >= 1) {
             return true;
         }
     }