点击任务开始，报错PHP版本问题已解决悬赏20积分

点击执行任务的开始和完成都弹出如下报错

Fatal error: The file /opt/zbox/app/zentao/extension/custom/task/ext/model/class/gantt.class.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

08:21:59 The file /opt/zbox/app/zentao/extension/custom/task/ext/model/class/gantt.class.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 when visiting task-start-348

Fatal error: Uncaught EndResponseException in /opt/zbox/app/zentao/framework/base/router.class.php:3419 Stack trace: #0 /opt/zbox/app/zentao/framework/helper.class.php(323): EndResponseException::create('') #1 /opt/zbox/app/zentao/framework/base/router.class.php(3098): helper::end() #2 /opt/zbox/app/zentao/framework/router.class.php(350): baseRouter->saveError(16, 'The file /opt/z...', 'Unknown', 0) #3 /opt/zbox/app/zentao/framework/base/router.class.php(2954): router->saveError(16, 'The file /opt/z...', 'Unknown', 0) #4 [internal function]: baseRouter->shutdown() #5 {main} thrown in /opt/zbox/app/zentao/framework/base/router.class.php on line 3419