开始任务的时候报错，禅道版本16.5已解决 悬赏15积分

Fatal error:
The encoded file /opt/zbox/app/zentao/extension/custom/task/ext/model/class/gantt.class.php requires a license file.
The license file /opt/zbox/app/zentao/config/license/gantt4.5.txt has expired. in Unknown on line 0
10:50:33
The encoded file /opt/zbox/app/zentao/extension/custom/task/ext/model/class/gantt.class.php requires a license file.
The license file /opt/zbox/app/zentao/config/license/gantt4.5.txt has expired. in Unknown on line 0 when visiting task-start-524