Error with WIM. Almost after patching LibWho of WIM

[AnnoDomine]

Error when i login:

Message: Interface\AddOns\WIM\WIM.lua:2029: bad argument #1 to 'strlower' (string expected, got nil)
Time: 07/01/20 06:23:57
Count: 1
Stack: [C]: in function `strlower'
Interface\AddOns\WIM\WIM.lua:2029: in function `WIM_FilterResult'
Interface\AddOns\WIM\WIM.lua:1994: in function `WIM_FilterResult_Interface'
Interface\AddOns\WIM\WIM.lua:545: in function `filterFunc'
Interface\AddOns\ElvUI\modules\chat\chat.lua:795: in function `ChatFrame_MessageEventHandler'
Interface\AddOns\ElvUI\modules\chat\chat.lua:1411: in function `DisplayChatHistory'
Interface\AddOns\ElvUI\modules\chat\chat.lua:1673: in function `Initialize'
Interface\AddOns\ElvUI\modules\chat\chat.lua:1774: in function <Interface\AddOns\ElvUI\modules\chat\chat.lua:1773>
...ibraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:155: in function <...ibraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:155>
[string "safecall Dispatcher[1]"]:4: in function <[string "safecall Dispatcher[1]"]:4>
[C]: ?
[string "safecall Dispatcher[1]"]:13: in function `?'
...ibraries\CallbackHandler-1.0\CallbackHandler-1.0.lua:90: in function `Fire'
Interface\AddOns\ElvUI\core\core.lua:1081: in function `InitializeModules'
Interface\AddOns\ElvUI\core\core.lua:1241: in function `Initialize'
Interface\AddOns\ElvUI\init.lua:145: in function <Interface\AddOns\ElvUI\init.lua:144>

---

Error when i want open chat history of ElvUI:

Message: Interface\AddOns\ElvUI\modules\chat\chat.lua:391: attempt to index global 'CopyChatFrame' (a nil value)
Time: 07/01/20 06:27:30
Count: 1
Stack: [C]: ?
Interface\AddOns\ElvUI\modules\chat\chat.lua:391: in function `CopyChat'
Interface\AddOns\ElvUI\modules\chat\chat.lua:294: in function <Interface\AddOns\ElvUI\modules\chat\chat.lua:292>

[AnnoDomine]

Errors only when ElvUI and WIM is aktivated. When i disable WIM no errors.

[Tremolo4]

Have you tried this patch?