A shared object needs to be changed to device group specific. Once a object is created with "Shared" check box selected it becomes grayed out. There is not an option given to deselect and make it device group specific
Resolution
If the "shared" box is checked while creating the object it will grey out. Create a new object by selecting the appropriate group from the list and uncheck "Shared" before hitting OK. This will create an object local to that group which is selected from the list. Shown below is one instance for the log forwarding profile, however it is the same for all the objects created:
Go to Device > Objects > Log Forwarding:
Once the appropriate Group is selected from the drop down box, click the Add button found at the bottom of the screen to create a profile: