Remove backtrace function from getRoute method.

app/router/Router.php

@@ -69,8 +69,7 @@ class Router
             if ($this->routeIsExists($name)) {
                 return $this->getRouteByName($name);
             } else {
-                $btrace = debug_backtrace();
-                throw new ErrorException('Unknown route name: "' . $name . '". ' . 'Call from "' . $btrace[0]['file'] . '" on line ' . $btrace[0]['line'] . '.');
+                throw new ErrorException('Unknown route name: "' . $name . '".');
             }
         }
     }