bug模板安装报错

安装插件“bug模板”成功后，新建bug报错：

Fatal error: The file /opt/zbox/app/zentao/module/bug/ext/control/create.php was encoded by the ionCube Encoder for PHP 5.6 and cannot run under PHP 7.1 or later. Please ask the provider of the script to provide a version encoded with the ionCube Encoder for PHP 7.1. in  Unknown on line  0