What steps will reproduce the problem?
1. try to add custom sorting group
2.type command /bankstack group add cloth 0, 1
3. or add type into a config > groups > add : cloth 0,1

What is the expected output? What do you see instead?

It supposed to make a group. nothing happens ( error happens )
What version of the product are you using?
r.113
Do you have an error log of what happened?

[2008/10/17 07:19:56-72-x1]: BankStack-1\config.lua:222 attempt to call global 'InterfaceOptionsFrame_OpenToFrame' (a nil value)
Interface\FrameXML\ChatFrame.lua:3212 in function `ChatEdit_ParseText':
Interface\FrameXML\ChatFrame.lua:2911 in function `ChatEdit_SendText':
Interface\FrameXML\ChatFrame.lua:2932 in function `ChatEdit_OnEnterPressed':
<string>:"*:OnEnterPressed":1: in function <[string "*:OnEnterPressed"]:1>

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Please provide any additional information below.