Steps to reproduce:
- Login as admin.
- Create a course and enrol student s1.
- Allow the following permissions to student role:
- Create an assignment and enable "Online tex" in the submission type.
- Login as student s1.
- Access to the assignment.
- Click the "Add submission" button.
- Embed an H5P content using the H5P Atto button. You can upload any H5P file.
- Save changes.
The H5P content is displayed.
The "H5P file not found" error is displayed.