WowAce

If I disable this addon, there is no lua error but when I enable it, this lua error occurs.

Message: Interface\FrameXML\CastingBarFrame.lua:132: Usage: UnitChannelInfo("unit")
Time: Fri Jun 11 21:25:32 2021
Count: 1
Stack: Interface\FrameXML\CastingBarFrame.lua:132: Usage: UnitChannelInfo("unit")
[string "@Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua"]:758: in function <...Ons\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:717>
[string "=[C]"]: ?
[string "=[C]"]: in function `UnitChannelInfo'
[string "@Interface\FrameXML\CastingBarFrame.lua"]:132: in function `CastingBarFrame_OnEvent'
[string "@Interface\FrameXML\PetFrame.lua"]:206: in function <Interface\FrameXML\PetFrame.lua:192>

Locals: errMsg = "Interface\FrameXML\CastingBarFrame.lua:132: Usage: UnitChannelInfo("unit")"
isBugGrabber = nil
tsmErrMsg = nil
oldModule = nil
private = <table> {
globalNameTranslation = <table> {
}
FormatErrorMessageSection = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:517
ErrorHandler = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:134
origErrorHandler = <function> defined @Interface\SharedXML\SharedBasicControls.lua:355
hitInternalError = false
CreateErrorFrame = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:536
num = 0
SanitizeString = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:510
AddonBlockedHandler = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:502
GetStackLevelInfo = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:344
ParseLocals = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:396
ignoreErrors = false
errorReports = <table> {
}
IsTSMAddon = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:478
localLinesTemp = <table> {
}
GetStackInfo = <function> defined @Interface\AddOns\TradeSkillMaster\LibTSM\Service\ErrorHandler.lua:313
}
MAX_STACK_DEPTH = 50
OLD_TSM_MODULES = <table> {
1 = "TradeSkillMaster_Accounting"
2 = "TradeSkillMaster_AuctionDB"
3 = "TradeSkillMaster_Auctioning"
4 = "TradeSkillMaster_Crafting"
5 = "TradeSkillMaster_Destroying"
6 = "TradeSkillMaster_Mailing"
7 = "TradeSkillMaster_Shopping"
8 = "TradeSkillMaster_Vendoring"
9 = "TradeSkillMaster_Warehousing"
}