Omnibar lua error

I have a problem with one of my addons. I am using omnibar for arena and it has not been showing spells when they occur. Also when I go to the interface and click on omnibar then to spells so that I can custom what spells are gonna be shown i get this lua error (i also dont know what a lua error is) Message: Interface\AddOns\OmniBar\Options.lua:120: bad argument #2 to ‘format’ (string expected, got nil)
Time: Sat Dec 15 18:26:22 2018
Count: 1
Stack: Interface\AddOns\OmniBar\Options.lua:120: bad argument #2 to ‘format’ (string expected, got nil)
[C]: in function format' Interface\AddOns\OmniBar\Options.lua:120: in functionmember’
…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:220: in function <…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:168>
…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:342: in function <…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:315>
…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:959: in function <…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:955>
…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:1012: in function <…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:989>
…nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:1670: in function FeedGroup' ...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:1508: in function <...nfig-3.0\AceConfigDialog-3.0\AceConfigDialog-3.0.lua:1492> [C]: ? ...ce\AddOns\Boomkinator\Libs\AceGUI-3.0\AceGUI-3.0.lua:71: in function <...ce\AddOns\Boomkinator\Libs\AceGUI-3.0\AceGUI-3.0.lua:69> ...ce\AddOns\Boomkinator\Libs\AceGUI-3.0\AceGUI-3.0.lua:285: in functionFire’
…Libs\AceGUI-3.0\widgets\AceGUIContainer-TabGroup.lua:156: in function `SelectTab’
…Libs\AceGUI-3.0\widgets\AceGUIContainer-TabGroup.lua:67: in function <…Libs\AceGUI-3.0\widgets\AceGUIContainer-TabGroup.lua:64>

I have tried redowloading the omnibar all of my addons are up to date and I have pinpointed it to this addon because I have taken off all of my other addons previously and i still get this error

Looks like the author has yet to do a proper 8.1 update

Try this user submitted fix -

Thanks that was the fix that I needed :slight_smile: