Debugging Design Time Problems
From Skyway Wiki
Error Log View
Exceptions that occur at design time can be reviewed on the "Error Log" view. To open the Error Log view, select Window->Show View->Other... Then expand the "PDE Runtime" node and select "Error Log".
You can double-click each message in the Error Log view to see more detail, including a stack trace if one is available.
Problems View
The Problems View shows compile errors and warnings.

