the app loged me out then won;t let me log in on ios. keep geting log in validation error.
log in problem ios
update i can't log out of forum server get 500 server error msg. iOS is a valadation threelogin error
I also had the threelogin problem. Fixed by deleting app and reinstalling. Good luck.
Sorry to hear that. Hopefully someone else or a mod can help you more. 
seem turn off the iOS device fully then turning it back on fixed my problem
MasterMOD is it ok now ？
a month later
ReachZhaiTW just came back, updated app and sitll get threelogin error
21 days later
Hello, I had the same problem. And I managed to login via Facebook, then Sign out, and then the login via email had no problems anymore.