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hyperframes/docs/studio/troubleshooting.mdx
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Miguel Ángel e00baefb5c fix(studio): reload the preview only when a file it loaded changes (#4570)
* fix(studio): reload the preview only when a file it loaded changes

* test(studio): read the owner id from the new change-owner shape

* refactor(studio): drop a comment the parser name already says

* fix(studio): keep reloading until the preview is built, and count what its document names

* style(studio): format the reference pattern and name the kept reload

* fix(studio-server): scan preview references in linear time and refresh all thumbnails on a merged reload

* fix(studio): keep a waiting film change when a file the preview never loaded arrives behind it

* test(studio): name the preview ownership test for what it checks

* chore(ci): allow the watchIgnore removals and trim the new comments

* fix(studio-server): reload the preview when a folder holding a file it loaded moves in or out

* perf(studio-server): check a changed folder in one lookup and cover every reference form

* fix(studio-server): record read folders for a project at the filesystem root

* fix(studio-server): reload the preview when the file a symlinked asset points at changes

* fix(studio-server): resolve symlinks on every preview read and key projects by their real folder

* fix(studio-server): record every link a preview read passes through, resolved as the system does
2026-09-27 10:05:53 +00:00

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---
title: "Studio troubleshooting"
description: "Recover from selection, preview, editing, timeline, and export problems."
---
## I cannot select the right element
- Pause on a frame where it is visible.
- Choose it from Layers.
- Check whether it belongs to a group or nested composition.
- Look for an off-canvas indicator.
## A direct edit is unavailable
The selected element may be generated, nested, or unsupported for that operation.
Try the inspector, open the nested composition, copy context to the agent, or make a focused source edit.
## A canvas move became animation
Check whether auto-keyframing is enabled. Undo the edit, turn it off, and make the layout change again.
## The timeline edit landed at the wrong time
Undo, zoom in, place the playhead more precisely, and retry. Check whether snapping moved the boundary to a nearby clip or beat.
## The preview did not update
- Preview's Code editor and visual controls save automatically. If the change came
from another editor or an agent, confirm that the external file was saved.
- Wait for the project refresh.
- Check the terminal running `hyperframes preview`.
- Reload Studio if the preview process is still healthy.
- Restart `npx hyperframes preview` when the server stopped.
## Media is missing or slow
Confirm that the file exists inside the project and that its path is correct. Large media may need time to prepare a preview. Remote files can fail because of access or cross-origin restrictions.
## An edit failed to save
Keep the error visible, avoid stacking more edits on top of it, and undo if available. Copy the issue to your agent with the action that caused it.
## A render failed
Keep the complete error. Run the project checks, confirm FFmpeg and source media are available, then retry:
```bash
npx hyperframes lint
npx hyperframes check
```
For lower-level failures, continue to [general troubleshooting](/guides/troubleshooting).
## Related topics
- [Work with source and an agent](/studio/source)
- [Finish, render, and share](/guides/export-and-share)
- [Diagnose a project or CLI problem](/guides/troubleshooting)