Clog
There are many reasons your printer can clog. A bunch of them are just bad luck and there is no way to avoid them. No matter what you do, you WILL get clogs. There a bunch of reasons for clogs that you can lower the chances of getting, for example cheap filament will have more bits that do not melt and will cause more clogs. Getting better filament will cut down on those clogs, but any filament will occasionally have bits in them and those bits may clog, a lot less with some filaments.
So, I have no idea why your nozzle clogged. There are whole bunches of things that can cause it, click the 3D printing menu and then the topics and then look at the topics that seem like they could cause clogging, like Filament or heat creep or something else.
It’s not common. It is not always the problem. It happened to me and it took me a while to find it. On the hotend there are two fans. One blows on what you just printed to cool the filament and harden it. The other blows on the fins on top of your hot end and cools that down so filament does not melt until it gets to the right place. You have no control over that second fan. It runs whenever the hot end is hot. Check the fan. It should be running with no sound of something hitting the blades. It should be running. Mine was not. I started prints fine, but a few minutes into it I got a clog. I tried everything I could think of, replaced nozzles, replaced heat breaks, cleaned the path out with a torch, nothing helped. Saw the fan wasn’t running, replaced it, printed fine, until the next problem.