PHP Fatal error: Class Smb_BackupController contains 1 abstract method

Virgin installation, switched on today, just the one domain created, click on any link involving Backup Manager and get:

[18-Apr-2016 10:49:30 America/Chicago]
PHP Fatal error: Class Smb_BackupController contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (Smb_BackupController::_getFtpSettingsForm) in /usr/local/psa/admin/application/smb/controllers/BackupController.php on line 76

or

[18-Apr-2016 10:52:20 America/Chicago]
PHP Fatal...

PHP Fatal error: Class Smb_BackupController contains 1 abstract method