UI error with cook task list

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Title: Later game UI error

Summary: Error occured while I was deleting tasks in the cook’s interface during the later game. I deleted one task and the error occured as I was attempting to delete the second

Steps to reproduce:

  1. Have two cooking tasks go idle due to lack of ingredients

  2. delete tasks on cook interface (drag and drop in trash)

3)Read error message

Expected Results: delete the tasks, assign new ones

Actual Results: delete one half of tasks, write bug report

Notes: 30 hearthlings, 3 shepards, 2 farmers, one of each type of other crafter, remaining are upgraded workers. Error text follows:

< develop-2620 (x64)
Uncaught TypeError: Cannot read property ‘appendChild’ of undefined
TypeError: Cannot read property ‘appendChild’ of undefined
at .widget._createHelper (http://radiant/stonehearth/ui/root/js/libs/jquery-ui-1.10.3.js:4887:79) at null._createHelper (http://radiant/stonehearth/ui/root/js/libs/jquery-ui-1.10.3.js:401:25) at .widget._mouseStart (http://radiant/stonehearth/ui/root/js/libs/jquery-ui-1.10.3.js:4142:22)
at null._mouseStart (http://radiant/stonehearth/ui/root/js/libs/jquery-ui-1.10.3.js:401:25)
at $.widget._mouseMove (http://radiant/stonehearth/ui/root/js/libs/jquery-ui-1.10.3.js:938:11)
at null._mouseMove (http://radiant/stonehearth/ui/root/js/libs/jquery-ui-1.10.3.js:401:25)
at HTMLDocument._mouseMoveDelegate (http://radiant/stonehearth/ui/root/js/libs/jquery-ui-1.10.3.js:910:16)
at HTMLDocument.jQuery.event.dispatch (http://radiant/stonehearth/ui/root/js/libs/jquery-1.10.2.js:5095:9)
at HTMLDocument.elemData.handle (http://radiant/stonehearth/ui/root/js/libs/jquery-1.10.2.js:4766:46) >

Attachments: the log file for your viewing pleasure, zipped due to 13MB file size stonehearth.zip (674.2 KB)

Versions and Mods: A12 develop 2620

Debugging tools only

System Information:

Windows 10 x64 home
12GB DDR3 RAM
Intel Core i7-3630QM @ 2.4GHz
Primary graphics processor: Nvidia GT650M w/ 1 GB GRAM
Secondary (inactive) graphics processor: Intel HD4000 integrated graphics chip
All drivers update automatically and are checked daily