Error Fetching Courses! (in Assignments page of student login to jupyterhub)

[Nethramudhiraj]

Operating system

Ubuntu 22.04.3 LTS 64 bit

nbgrader --version

Python version 3.10.12 (main, Nov 20 2023, 15:14:05) [GCC 11.4.0]
nbgrader version 0.9.1

jupyterhub --version (if used with JupyterHub)

2.0.0

jupyter notebook --version

7.0.6

Expected behavior

Assignment List page for students should show the released assignments.

Actual behavior

Steps to reproduce the behavior

After releasing assignment from this page of admin login, course101 folder is created in exchange folder. Also inbound/outbound folders are created inside the course101 folder.

After that, when I login to student account and see assignments list page it shows as below:

[Nethramudhiraj]

Issue was solved by moving exchange folder to a accessible location(to all users) and modifying exhange path in nbgrader config file.