I'm getting the following error when logging out of a character or reloading ui.
The BugSack addon icon doesn't actually show red.  I heard the BugSack error sound and clicked on the icon and saw the following.
I'm using DEV126

1x TradeSkillMaster_Shopping.lua:80: attempt to index field "operations" (a nil value)
TradeSkillMaster_Shopping.lua:80: in function <TradeSkillMaster_Shopping.lua:73>
<string>:"safecall Dispatcher[1]":4: in function <string>:"safecall Dispatcher[1]":4
<in C code>
<string>:"safecall Dispatcher[1]":13: in function "?"
libs\CallbackHandler-1.0\CallbackHandler-1.0-6.lua:92: in function "Fire"
TomTom-v50300-1.0.1\libs\AceEvent-3.0\AceEvent-3.0-3.lua:120: in function <TomTom\libs\AceEvent-3.0\AceEvent-3.0.lua:119>

Locals:
nil