I'm trying to set up an opvn connection and when I attempt to upload the service's .opvn file I get this error. I expect it's serious given the amount of exclamation marks... ]

"Upload Fail...

HTTP Content Error. Try again!!!!!!!!!!"

Needless to say trying again does nothing so I'm a little stumped. The file is from a VPN service provider so I'm assuming the file isn't the issue since it's untouched by me and I'm on the latest firmware (4.4.1)

Seems I'm not the first so I'll log a ticket and see where it goes...

Did you get anywhere?

Draytek support told me to open a ticket with the VPN provider.
VPN provder told me to open a ticket with the router vendor or buy a router that they have on their firmware support list.

ROCK <Me> HARD PLACE