"This video is either unavailable or not supported in this browser. (Error #4000)"

This happens no matter what video I try to play.

The version of Opera I'm running is
70.0.3728.178

This is my Neofetch output:

OS: Ubuntu 20.04.1 LTS x86_64
Host: G750JM 1.0
Kernel: 5.4.0-47-generic
Uptime: 5 days, 17 hours, 59 mins
Packages: 1938 (dpkg), 30 (snap)
Shell: bash 5.0.17
Resolution: 1920x1080
E: GNOME
WM: Mutter
WM Theme: Adwaita
Theme: Yaru [GTK2/3]
Icons: Yaru [GTK2/3]
Terminal: gnome-terminal
CPU: Intel i7-4700HQ (8) @ 2.400GHz
GPU: Intel 4th Gen Core Processor
GPU: NVIDIA GeForce GTX 860M
Memory: 9190MiB / 23496MiB

Any ideas?