cant not open, 'modify walls...' dialogue

by narnal » Sat May 06, 2017 9:12 am

Right click 'Modify Wall' on 'wall' and 'popup dialog' does not appear.
Click again and there is no response.

screenshot : https://i0.wp.com/www.dolzikoo.com/wp-c ... C720&ssl=1

OS: windows 10 64bit.