1. Check the permissions and restrictions that have been set by the shared drive administrator.
2. Make sure you have joined the shared drive in the right way.
3. Check each member's profile settings to ensure you have the correct access permissions.
4. Take a look at the shared drive activity log to review any issues with uploading files.
5. Verify if outdated versions saved in the shared drive are causing any problems.
6. Refresh or restart your web browser to ensure the shared drive is displaying correctly.