I have downloaded Minecraft java only around 2 weeks ago but have hit some errors. this may be because I'm using a Ubuntu version 20.04. I can load some versions like 1.14 but the real ones I'm looking for are 1.17.0 and 1.8.9. however, these will not load up and will say "An unexpected issue occurred and the game has crashed. We're sorry for the inconvenience" Every single time it does this. This may not be fixable on Ubuntu, but please send any information you have.