This error all time show when i'm enter in game:

Message: Interface\AddOns\MonolithDKP\Modules\ClassGraph.lua:23: attempt to get length of local 'classSearch' (a boolean value)
Time: Sat Aug 10 19:40:30 2019
Count: 1
Stack: Interface\AddOns\MonolithDKP\Modules\ClassGraph.lua:23: attempt to get length of local 'classSearch' (a boolean value)
Interface\AddOns\MonolithDKP\Modules\ClassGraph.lua:23: in function ClassGraph' Interface\AddOns\MonolithDKP\ConfigMenuTabs.lua:212: in function ConfigMenuTabs'
Interface\AddOns\MonolithDKP\MonolithDKP.lua:129: in function CreateMenu' Interface\AddOns\MonolithDKP\init.lua:173: in function OnInitialize'
Interface\AddOns\MonolithDKP\init.lua:86: in function <Interface\AddOns\MonolithDKP\init.lua:84>

Locals: self =

{
SortDKPHistoryTable = defined @interface\AddOns\MonolithDKP\Modules\DKPHistory.lua:23
StartTimer = defined @interface\AddOns\MonolithDKP\Core.lua:300
GetDKPSettings = defined @interface\AddOns\MonolithDKP\Core.lua:219
Table_Search = defined @interface\AddOns\MonolithDKP\Core.lua:380
StartBidTimer = defined @interface\AddOns\MonolithDKP\Modules\Bidding.lua:237
SortDKPTable = defined @interface\AddOns\MonolithDKP\MonolithDKP.lua:57
DKPTable_Set = defined @interface\AddOns\MonolithDKP\Core.lua:458
PurgeDKPHistory = defined @interface\AddOns\MonolithDKP\Core.lua:234
Commands = {
}
ConfigTab3 = {
}
PurgeLootHistory = defined @interface\AddOns\MonolithDKP\Core.lua:223
CreateTimer = defined @interface\AddOns\MonolithDKP\Modules\Bidding.lua:337
ConfigTab2 = {
}
GetGuildRankGroup = defined @interface\AddOns\MonolithDKP\Core.lua:185
GetGuildRankIndex = defined @interface\AddOns\MonolithDKP\Core.lua:169
ConfigTab4 = {
}
BroadcastTimer = defined @interface\AddOns\MonolithDKP\Core.lua:288
ConfigMenuTabs = defined @interface\AddOns\MonolithDKP\ConfigMenuTabs.lua:110
TableStrFind = defined @interface\AddOns\MonolithDKP\Core.lua:419
ConfigTab6 = {
}
SeedVerify_Update = defined @interface\AddOns\MonolithDKP\TableFunctions.lua:280
ClassGraph = defined @interface\AddOns\MonolithDKP\Modules\ClassGraph.lua:6
UIConfig = MonDKPConfig {
}
GetPlayerDKP = defined @interface\AddOns\MonolithDKP\Core.lua:208
BroadcastStopBidTimer = defined @interface\AddOns\MonolithDKP\Modules\Bidding.lua:218
ToggleExportWindow = defined @interface\AddOns\MonolithDKP\Modules\exportDKP.lua:181
DKPTable_Create = defined @interface\AddOns\MonolithDKP\TableFunctions.lua:239
Options = defined @interface\AddOns\MonolithDKP\Modules\Options.lua:7
GetGuildRank = defined @interface\AddOns\MonolithDKP\Core.lua:142
LootHistory_Update = defined @interface\AddOns\MonolithDKP\Modules\LootHistory.lua:232
CreateBidWindow = defined @interface\AddOns\MonolithDKP\Modules\Bidding.lua:475
ClassGraph_Update = defined @interface\AddOns\MonolithDKP\Modules\ClassGraph.lua:108
ManageEntries = defined @interface\AddOns\MonolithDKP\Modules\ManageEntries.lua:97
OnInitialize = defined @interface\AddOns\MonolithDKP\init.lua:122
Toggle = defined @interface\AddOns\MonolithDKP\MonolithDKP.lua:8
ConfigTab5 = {
}
DKPHistory_Update = defined @interface\AddOns\MonolithDKP\Modules\DKPHistory.lua:52
CheckOfficer = defined @interface\AddOns\MonolithDKP\Core.lua:160
DKPHistory_Reset = defined @interface\AddOns\MonolithDKP\Modules\DKPHistory.lua:29
SortLootTable = defined @interface\AddOns\MonolithDKP\Modules\LootHistory.lua:12
GetCColors = defined @interface\AddOns\MonolithDKP\Core.lua:117
AdjustDKPTab_Create = defined @interface\AddOns\MonolithDKP\Modules\AdjustDKP.lua:117
ConfigTab1 = {
}
ResetPosition = <