My shared drive is not syncing changes made by other users, why is this?

1. Check to make sure that all users have the necessary permissions to edit, delete, or make changes to files in the shared drive.
2. Check that all users have synced devices and using newer versions of files.
3. Verify that all users have the same version of the shared drive app installed.
4. Ensure that users have adequate internet connections to sync their changes.
5. Check if the shared drive updated its settings or security protocols.