Message: Interface\AddOns\CommunityDKP\Modules\comm.lua:897: bad argument #1 to '?' (string expected, got nil)

[Chalos-Atiesh]

Describe the bug
A clear and concise description of what the bug is. This includes the following information:

1. Addon Version and Release e.g. 3.2.3-r60

Message: Interface\AddOns\CommunityDKP\Modules\comm.lua:897: bad argument #1 to '?' (string expected, got nil)
Time: Tue Oct 20 19:23:51 2020
Count: 5
Stack: Interface\AddOns\CommunityDKP\Modules\comm.lua:897: bad argument #1 to '?' (string expected, got nil)
...Ons\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:758: in function <...Ons\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:717>
(tail call): ?
[C]: in function ?' Interface\AddOns\CommunityDKP\Modules\comm.lua:897: in function ?'
...ies\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:119: in function <...ies\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:119>
[C]: ?
...ies\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:29: in function <...ies\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:25>
...ies\Ace3\CallbackHandler-1.0\CallbackHandler-1.0.lua:64: in function `Fire'
...Ons\ElvUI\Libraries\Ace3\AceComm-3.0\AceComm-3.0.lua:264: in function <...Ons\ElvUI\Libraries\Ace3\AceComm-3.0\AceComm-3.0.lua:246>

Locals: