Same. I run SquaredCircle (the fediverses main wrestling community) which was started on kbin.social back when the Reddit protests occurred and 5-6mo ago we had to move the whole community from kbin to lemmy.zip cause the frequent errors (when posting, upvoting, boosting, fucking browsing, etc) were basically driving us insane (and given the community is based around timely news and discussion threads it basically kills it.
Doesn't help that every 2-4 months Ernest pops up and goes "I'm still here and working, all is well!!" and then disappears for another 2-4 months, rinse repeat. Won't blame the guy for a failing marriage and health issues but I will blame the guy for not having other people fucking develop the shit too.
(But to actually answer, myself, and another mod. I do 99% of the news and discussion thread posting since I got the time to and we're still small [just 230 people as of right now, but growing].)
Yeah the error 50 use to be really common when trying to do certain things like upvote or comment. At the moment just visiting the site brings up that error.