Typing /cauldron shoppinglist gives this error for me (Cauldron v0.9.11.103 though previous version had it too):

[2009/03/06 09:33:06-4312-x3]: AceConfigCmd-3.0-7:76: AceConfigCmd-3.0: /cauldron shoppinglist: 'get': not set
AceConfigCmd-3.0-7:59: in function <...\AceConfig-3.0\AceConfigCmd-3.0\AceConfigCmd-3.0.lua:57
AceConfigCmd-3.0-7:76: in function <...\AceConfig-3.0\AceConfigCmd-3.0\AceConfigCmd-3.0.lua:73
AceConfigCmd-3.0-7:402: in function <...\AceConfig-3.0\AceConfigCmd-3.0\AceConfigCmd-3.0.lua:303
(tail call): ?:
AceConfigCmd-3.0-7:700: in function `HandleCommand'
AceConfigCmd-3.0-7:719: in function `?'
Interface\FrameXML\ChatFrame.lua:3210 in function `ChatEdit_ParseText':
Interface\FrameXML\ChatFrame.lua:2930 in function `ChatEdit_SendText':
Interface\FrameXML\ChatFrame.lua:2951 in function `ChatEdit_OnEnterPressed':
<string>:"*:OnEnterPressed":1: in function <[string "*:OnEnterPressed"]:1>

  ---