public function removeActivity(string $dbconfiguration):Renderer
    {
        $remove = false;
        $file = JL::open(FEnv::get("framework.config.db.file"));
        foreach ($file as $one => $value) {
            if ($one == $dbconfiguration) {
                unset($file->$one);
                $remove = true;
                break;
            }
        }

        if ($remove == false) {
            return ((new Renderer())->jsonRenderer(array("code" => 500, "msg" =>
                "Database configuration does not exist")));
        }
        $file = json_encode((object) $file, JSON_PRETTY_PRINT);
        JL::put(FEnv::get("framework.config.db.file"), $file);


        return ((new Renderer())->jsonRenderer(array("code" => 200, "msg" => "OK")));
    }