Forcefield core and projector gui not opening

[dranas]

Title: Forcefield core and projector gui not opening

Version: 3.1.2

OS: Windows 7

Java Version: 7

Description of Problem:

When i right click on forcefield core or projector the gui does not open, powered or unpowered does not make a difference. No one else on the server can either. It shows no error messages

Error Messages:

Error Log:

[RedStoner]

Click on it with your bare hands, you cannot be holding an item when u open it.

[dranas]

I do click it with my bear hands