Issue with Sub-task Visibility in Parent Task

[노진우]

I’ve encountered an issue where sub-tasks suddenly stopped appearing under their parent task.
As shown in the attached image, there are multiple sub-tasks under the parent task, but they are no longer visible.

Could you please advise on how to resolve this?

Thank you for your assistance.

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When converting a regular task to a sub-task, the parent task selection field, which was previously available, no longer appears, as shown in the attached image.

[Trudy Claspill]

Hello @노진우 

Welcome to the Atlassian community.

What exactly in the image you shared indicates to you that the issue has subtasks?

Are you able to find one of the subtask that was previously part of this issue? Do you have a record of an issue key for such a subtask?

Can you find the subtasks by going to the View All Issues screen under the Filters menu and searching for subtasks in this project?

[노진우]

The sub-tasks are visible in the filter results and also appear in the backlog.
The attached screenshot shows the filter results where only sub-tasks are being queried.
The items within the red rectangle are the sub-tasks of the regular tasks I mentioned earlier.

[Trudy Claspill]

Can you provide a screen image of one of the subtasks from the red box and show the issue key bread crumbs at the top of the display? I would like to see that to confirm the subtask breadcrumbs show DEV-42 as the subtask parent.