The following bug has been logged online:
Bug reference: 5296
Logged by: andrew neill
Email address: andrew.neill1@bbc.co.uk
PostgreSQL version: 1.10
Operating system: windows xp
Description: crash when two 'add column' diagrams are open
Details:
if you open two 'add column' dialogs and will in the second and click ok
then try to fill in the second and click ok the program crashes.