R-819 Recurring UI Error

Been getting a lot of this error flag of late:

release-819 (x64)
Uncaught TypeError: Cannot read property ‘animate’ of undefined
TypeError: Cannot read property ‘animate’ of undefined
at n._build_workshop_ui (http://radiant/stonehearth/ui/game/show_workshop/show_team_workshop.js:487:10)
at invoke (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:1:7142)
at n.flush (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:1:7689)
at a.end (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:1:2462)
at http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:1:1288

Seems related to my blacksmith.

Hey, @Relyss: Been getting this one a lot, too:

release-819 (x64)
Uncaught TypeError: Cannot read property ‘show’ of undefined
TypeError: Cannot read property ‘show’ of undefined
at n._updateTabs (http://radiant/stonehearth/ui/game/modes/zones_mode/stockpile/stockpile.js:221:26)
at w (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:5:23160)
at m (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:4:21008)
at b (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:5:13753)
at a (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:5:12519)
at h (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:5:13415)
at a (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:5:12507)
at y (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:5:17298)
at n.set (http://radiant/stonehearth/ui/root/js/libs/ember-1.8.1.min.js:8:25617)
at Object. (http://radiant/stonehearth/ui/root/js/stonehearth/view.js:128:21)

Got this one laying down a stockpile area of 20x20 spaces.