JS: Promise rejection error when trying to grant some members admin permissions
Some users can't be granted administrator permission from the web gui, the lookup fails with an error 502 depending on the username.
Here's a capture of the JS Error when trying to add the github user "lovyan03" to the https://gitter.im/M5Stack-SD-Updater/community gitter
Unhandled rejection l@https://cdn02.gitter.im/_s/56e8d2eb0/js/default.chunk.js:1:7751
error@https://cdn02.gitter.im/_s/56e8d2eb0/js/default.chunk.js:1:9224
d@https://cdn03.gitter.im/_s/56e8d2eb0/js/vendor.chunk.js:1:87822
fireWith@https://cdn03.gitter.im/_s/56e8d2eb0/js/vendor.chunk.js:1:88634
l@https://cdn03.gitter.im/_s/56e8d2eb0/js/vendor.chunk.js:1:135358
s/<@https://cdn03.gitter.im/_s/56e8d2eb0/js/vendor.chunk.js:1:138992
n@https://cdn03.gitter.im/_s/56e8d2eb0/js/vendor.chunk.js:1:484277
The issue persists across browsers (tried Chromium and Firefox on Linux/Windows10 so far).
Relevant code
Edited by Eric Eastwood