P2_0.0.19skills won't upgrade

[anvil]

Note 4
5.0.1
Infiltration site
hard

I completed this map and had 3 troops upgrade. Two were fine. The paladin's skills won't upgrade. Neither by finger or stylus. I've changed screen with no luck and have restarted the game. Any thoughts?

i.imgur.com/T82rr9w.png

[fallen]

Sorry, it's a known bug.

We've just finished ripping down and building that screen.

Next update will fix.

[anvil]

Ok, thanks. I won't put the other pic up that when I pull the screen down it shows a series of "+" aligned vertically unless you need it.

[fallen]

Nope, we're all set!