I have been having the same problem and been posting EVERYWHERE to try to get help seems either no one else is having the same problem or no one knows how to fix it.. When a user tries to change their username or password they get the error that Oddsodz posted images of, this is due to CB and SMF not syncing the usernames and passwords. Which the username is easily fixed by not allowing users to change their username (still needs to be fixed but it works for now) however if a user uses the forgot password feature it sends them a new password which only works in CB and doesnt sync it to SMF... its very annoying and causing all kinds of confusing and problems in my site is there anyone that can fix this? Thanks for your help.