创建任务报错

Summary

Steps to reproduce

1. 创建一个 issue
2. 在 issue 详情页创建 任务

Example Project

https://jihulab.com/ultimate-plan/jihu-gitlab-app/demo-mr-test/-/issues/9

What is the current bug behavior?

报错：尝试创建子项时出错，请再试一次。

What is the expected correct behavior?

创建成功

Relevant logs and/or screenshots