Clarified the error message

hub/request.php

@@ -129,7 +129,7 @@ if (isset($_GET['id'])){
     
     if ( $id != 9999 ) {
       if ( isset( $show_array[$id] ) ) {
-        naughty("2227263ac7171aca3214d155dec539ad The id is still too high");
+        naughty("2227263ac7171aca3214d155dec539ad The id \"${id}\" is already reserved");
       }
     }
 }