I am trying to add a new module to magento admin panel by following this article
http://alanstorm.com/magento_admin_hello_world_revisited When I have added all the files correctly, on clearing cache, admin panel goes Blank , I have an other magento setup, when I move the same files to that set up, new module is created. What is issue in 1st set up, due to which I am unable to create a new module.