Using the Entities Tab on the left-hand side of the Eden editor to edit the attributes of an entry via it's callsign, brings up the Edit, CompositionObject panel as expected. Selecting OK once finished editing causes a CTD with the message:
The instruction at 0x0000000001C9DD95 referenced memory at 0x0000000000000004. The memory could not be read.
Click OK to terminate...
Click CANCEL to debug...