I think there are at least a few types of GM burnout, and yes I've experienced it.
The first, is just too much going on in your life to be able to dedicate running a great game and taking care of your life. Family, job, school, etc... Burning the candle at both ends can lead to GM burnout. This one is pretty obvious to see coming and doesn't have a lot of options for rectifying. Pass the GM wand or cut some other things out of your life perhaps.
The second, is system burnout. Obviously, this will be dependent on which game and/or edition you are using. Can be a combination of the system just making game prep take too much time, and the beast that high level play can become. This isnt something that is easy to see coming. You need to experience a system before you know how to sidestep this type of burnout. One of the reasons that early on in a new game/edition cycle you have many acolytes enjoying the journey, which eventually gives way to frustrated opinions from GM burnouts.
The third, player attentiveness, buy in, appreciation, playstyle, etc... The GM puts in a ton of effort to deliver a really great session and campaign. The players don't care and just tell fart jokes and cancel half the time. One of the hardest lessons I learned about TTRPGs, is that sometimes your best friends make the worst gamers. This type of burnout can be avoided by screening your players. Either through organized play, one shots, or whatever method you have of ensuring a likeminded playstyle is shared across the table.