Hi,
Need help - upgraded to 2.6.4 per instructions in the documentation - just left content and used previous config file.
Now the gallery does not even start (http://www.kzielinski.pl) and I have no idea how to troubleshoot it.
Did perform successful authorization, diagnostics in admin shows suhosin as only potential issue...
Tried using e-mail support but did not allow me to send the message out...