[Error 00000000383079A0] captured, click the link for more information

[Error 00000000383079A0] captured, click the link for more information.
InterfaceAddOnsGoGoMountGoGoMount-6.2.1.lua:3550: attempt to concatenate a nil value
InterfaceAddOnsGoGoMountGoGoMount-6.2.1.lua:3550: in function <InterfaceAddOnsGoGoMountGoGoMount.lua:3543>
(tail call): ?
InterfaceAddOnsGoGoMountGoGoMount-6.2.1.lua:79: in function `GoGo_OnEvent'
[string "*:OnEvent"]:1: in function <[string "*:OnEvent"]:1>