Being getting a callback function LUA error after the 7.3 and only after a boss kill it seems, randomly once when trying to teleport back to the dungeon . So i've only been on a 71 dk

Message: Interface\AddOns\GSE\GUI\Transmission.lua:156: bad argument #1 to 'pairs' (table expected, got nil)
Time: 08/29/17 18:56:47
Count: 14
Stack: Interface\AddOns\GSE\GUI\Transmission.lua:156: bad argument #1 to 'pairs' (table expected, got nil)Interface\SharedXML\SharedBasicControls.lua:204: in function <Interface\SharedXML\SharedBasicControls.lua:203>
(tail call): ?
[C]: in function pairs'
Interface\AddOns\GSE\GUI\Transmission.lua:156: in function?'
...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:145: in function <...ore\libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:145>
[string "safecall Dispatcher[1]"]:4: in function <[string "safecall Dispatcher[1]"]:4>
[C]: ?