Hi

I am working on retrieval of feed from utube by Zend_Gdata_YouTube class
It works fine locally . When i installed it in server it gives fatal error

"PHP Fatal error: Cannot access protected property Zend_Gdata_YouTube::$_registeredPackages in /usr/local/lib/php/Zend/Gdata/App.php on line 120"

What can cause this problem.
Can any one help with this please

thanks in advance .