Official comment
Unfortunately the support for streaming services in export mode is not currently available however we are aware of the request for this when using linked players, not just for exporting to USB.
As for the forum, this issue arises from browser security settings due to our 3rd-party SSO (single-sign-on); please ensure that you have cleared the cookies for the following domains:
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And then be sure to allow cross-domain or cross-site content / cookies for these domains.