How to delete a Published Contnet Type ?

Subscriber site won't allow the content type to be deleted by default. When you click on Advanced Settings, change the Read Only option to No. After you do this you will be able to delete it. Happy Sharepointing!!

The form cannot be rendered. This may be due to a misconfiguration of the Microsoft SharePoint Server State Service

This error occurs when you try to start a custom workflow associated with a list or an item. To fix this error the State Service need to be configured in the farm. Here is the official solution from Microsoft - http://support.microsoft.com/kb/2697977