Missing Parameter "uploadTokenld"

A student of me cannot upload videos (e.g. WMV-file) with Mediaspace and gets errormessage Oops! Missing Parameter "uploadTokenld"
She uses Windows 7 and Chrome and Internet Explorer.
Any idea what can be the reason/problem?

Kind Regards,
Karel Roos

Hello,

I’m afraid more info is required.
I presume you’re using our SaaS platform, please contact our support team so they can assist your further.

Thanks,

Hello Jess,
thank your for your reply. I’l follow up your advise; Thanks!