This is an odd bug and I don't know if it's only limited to one specific page or not. On the Neverwinter page the side panel currently has Atari and Perfect World listed as publishers. Atari sold Cryptic Studios to Perfect World Entertainment a few years ago, and PW gained all the rights to publish Neverwinter. Atari has nothing to do with the project since 2011, and will not be involved with the release in any way.
When I try to remove Atari from the publishers section the submission brings back the error "whoops, something went wrong" every single time. The first time I tried it I had actually submitted a ton of other changes as well. It took me ~10 failed submissions to narrow down which part of my changes was actually failing to process.
One of the weirder bugs I've run into.