I am unable to even start with the Rokin Gallery

I keep having this error:

Warning: get_object_vars() expects parameter 1 to be object, string given in C:\XAMPP\xampp\htdocs\joomla15\administrator\components\com_pwframework\classes\language.php on line 17

in the component view.

When I try to acces the configuration tab, this error appears:

Warning: call_user_func_array() expects parameter 2 to be array, null given in C:\XAMPP\xampp\htdocs\joomla15\administrator\components\com_pwframework\classes\class.command.php on line 61

Please help!

There seems to be a problem with PHP 5.3. My webspace suplier updated PHP recently from 5.2 to 5.3 and I have the same problem since.
Nothing else to do but wait until the Rokin Gallery is ready for PHP 5.3.

The problem has been solved with version 3.3.0 RC 1.