Got this in the server's PHP error_log about the clear cache menu item:
[13-Nov-2013 07:48:38 America/Chicago] PHP Fatal error: Call to undefined method g11n\g11n::cleanCache() in /src/App/Support/Controller/Clearcache.php on line 43
[13-Nov-2013 07:48:38 America/Chicago] PHP Fatal error: Uncaught exception 'Whoops\Exception\ErrorException' with message 'Call to undefined method g11n\g11n::cleanCache()' in /src/App/Support/Controller/Clearcache.php:43
Stack trace:
#0 /vendor/filp/whoops/src/Whoops/Run.php(344): Whoops\Run->handleError(1, 'Call to undefin...', '/s...', 43)
#1 [internal function]: Whoops\Run->handleShutdown()
#2 {main}
thrown in /src/App/Support/Controller/Clearcache.php on line 43
This is an upstream bug - it's already spotted and will be fixed ASAP?
You may also open a ticket here: https://github.com/elkuku/g11n/issues