Log in error with % character in User IDIssue Issue If you include the % character for User ID and try to log in, the following error occurs. Error UI error: Invalid input in user name! Example System log: Rejecting unsafe userNameURLDecoder: Illegal hex characters in escape (%) pattern - For input string: "&'": no thrown errorReproduce steps Create user which includes %& such as test%&testTry to log in with the userConfirm the above error in system logCauseThe rules mentioned in the Class URLDecoder may not have been followed when creating the User ID."+" can be used in User ID.ResolutionAvoid using % in User ID.