Grid version:

6.2.0 1754 beta

WoW version, region, and language:

6.2.0 KR koKR

Character level, class, and spec:

100, Shaman, Resto

Does the problem still happen when all other addons -- including all Grid plugins -- are disabled?

Yes

Does the problem still happen after switching to a new profile in Grid with default settings, logging out, and logging back in?

Yes

If the problem does not happen with default settings, please attach your Grid saved variables file to your ticket, and give the name of the character or profile that has the problem:

What is the problem? What steps can I follow to reproduce it?

Just open grid setting and profile tab. Change profile to another one.

Text of the first related error message, if any, WITHOUT any appended lists of local variables or installed addons:

Message: Interface\AddOns\Grid\Indicators\Bar.lua:10: attempt to perform arithmetic on local 'r' (a nil value)
Time: 08/12/15 00:29:36
Count: 2
Stack: Interface\AddOns\Grid\Indicators\Bar.lua:10: in function <Interface\\AddOns\\Grid\\Indicators\\Bar.lua:6>
Interface\AddOns\Grid\Indicators\Bar.lua:138: in function SetStatus' Interface\AddOns\Grid\Frame.lua:213: in functionSetIndicator'
Interface\AddOns\Grid\Frame.lua:800: in function UpdateIndicator' Interface\AddOns\Grid\Frame.lua:773: in functionUpdateIndicators'
Interface\AddOns\Grid\Frame.lua:728: in function UpdateAllFrames' Interface\AddOns\Grid\Frame.lua:687: in functionPostReset'
Interface\AddOns\Grid\Core.lua:244: in function Reset' Interface\AddOns\Grid\Core.lua:638: in functionResetModules'
Interface\AddOns\Grid\Core.lua:463: in function ?' ...lUI\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:147: in function <...lUI\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:147> [string "safecall Dispatcher[3]"]:4: in function <[string "safecall Dispatcher[3]"]:4> ... [string "safecall Dispatcher[3]"]:9: in function <[string "safecall Dispatcher[3]"]:5> (tail call): ? Interface\AddOns\Ailo\Libs\AceGUI-3.0\AceGUI-3.0.lua:314: in functionFire'
...lo\Libs\AceGUI-3.0\widgets\AceGUIWidget-DropDown.lua:442: in function <...lo\Libs\AceGUI-3.0\widgets\AceGUIWidget-DropDown.lua:433>
(tail call): ?
[string "safecall Dispatcher[3]"]:9: in function <[string "safecall Dispatcher[3]"]:5>
(tail call): ?
Interface\AddOns\Ailo\Libs\AceGUI-3.0\AceGUI-3.0.lua:314: in function `Fire'
...s\AceGUI-3.0\widgets\AceGUIWidget-DropDown-Items.lua:351: in function <...s\AceGUI-3.0\widgets\AceGUIWidget-DropDown-Items.lua:341>

Locals: <none>

Anything else you think might be useful:

It seems to be problem of variables. In SetStatus function, grid can't get any variables for bars when profile is changed.