131x Interface/AddOns/AllTheThings/AllTheThings.lua:7572: attempt to concatenate a nil value
[string "@Interface/AddOns/AllTheThings/AllTheThings.lua"]:7572: in function <Interface/AddOns/AllTheThings/AllTheThings.lua:7363>
[string "@Interface/AddOns/AllTheThings/AllTheThings.lua"]:22890: in function <Interface/AddOns/AllTheThings/AllTheThings.lua:22887>
[string "=(tail call)"]: ?
[string "=[C]"]: in function `securecallfunction'
[string "@Interface/SharedXML/Tooltip/TooltipDataHandler.lua"]:60: in function <Interface/SharedXML/Tooltip/TooltipDataHandler.lua:55>
[string "@Interface/SharedXML/Tooltip/TooltipDataHandler.lua"]:77: in function <Interface/SharedXML/Tooltip/TooltipDataHandler.lua:76>
[string "@Interface/SharedXML/Tooltip/TooltipDataHandler.lua"]:116: in function <Interface/SharedXML/Tooltip/TooltipDataHandler.lua:106>
[string "=[C]"]: in function `SetAttribute'
[string "@Interface/SharedXML/Tooltip/TooltipDataHandler.lua"]:141: in function <Interface/SharedXML/Tooltip/TooltipDataHandler.lua:134>
[string "@Interface/SharedXML/Tooltip/TooltipDataHandler.lua"]:282: in function <Interface/SharedXML/Tooltip/TooltipDataHandler.lua:240>
[string "=[C]"]: in function `securecallfunction'
[string "@Interface/SharedXML/Tooltip/TooltipDataHandler.lua"]:237: in function <Interface/SharedXML/Tooltip/TooltipDataHandler.lua:236>
...