[Bug] file with uuid '73b....' not found

**Describe the bug**
Got the warning below. After refreshing, this file was missing.

**To reproduce**
Unclear.

**Expected behavior**
No load errors.

**Screenshots**
Reported by a local teacher.

<img width="2048" height="1536" alt="Image" src="https://github.com/user-attachments/assets/8289f609-3e2e-4005-8fef-16b78c753039" />
