Strict Standards: Declaration of COutString::Render() should be compatible with COutObject::Render()
Strict Standards: Declaration of COutHtml::Render() should be compatible with COutObject::Render()
Strict Standards: Declaration of CVField::Init() should be compatible with CObject::Init(&$prt, $name = NULL, $attri = NULL)

And more...

OK, open web/staff/index.php and you'll find the error_reporting function near the top of the file. Replace it with

error_reporting( E_ALL & ~E_DEPRECATED & ~E_STRICT );

And do the same on web/cn/cn.php. That's it!