What steps will reproduce the problem?
1. Assign a Class Hall follower with cooldown ability as a Combat Ally (I used warrior's Hodir)
2. Use ability
3. Get spammed by an error

What version of the product are you using?

0.7.1

Do you have an error log of what happened?

Getting this error each time I use combat ally ability:
 
"
84x SexyCooldown\Modules\Spells-Spells.lua:130 attempt to concatenate local 'id' (a nil value)
SexyCooldown\Modules\Spells-Spells.lua:130 in function `UpdateSpellCooldowns'
SexyCooldown\Modules\Spells-Spells.lua:100 in function `Refresh'
SexyCooldown\Modules\Spells-Spells.lua:53 in function <SexyCooldown\Modules\Spells.lua:52
Locals:
self = <table> {
SetDefaultModuleLibraries = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:398
UpdateSpellCooldowns = <function> defined @SexyCooldown\Modules\Spells.lua:121
SPELL_UPDATE_COOLDOWN = <function> defined @SexyCooldown\Modules\Spells.lua:83
Enable = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:325
UnregisterAllEvents = <function> defined @GatherMate2\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:200
EnableModule = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:363
modules = <table> {
}
GetModule = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:241
IterateEmbeds = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:473
defaultModuleLibraries = <table> {
}
CleanupCooldowns = <function> defined @SexyCooldown\Modules\Spells.lua:106
UNIT_SPELLCAST_SUCCEEDED = <function> defined @SexyCooldown\Modules\Spells.lua:89
SetDefaultModulePrototype = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:440
name = "SexyCooldown_Spells"
IsEnabled = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:482
orderedModules = <table> {
}
DisableModule = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:381
InternalCooldowns_TalentProc = <function> defined @SexyCooldown\Modules\Spells.lua:69
RegisterMessage = <function> defined @GatherMate2\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:116
UnregisterMessage = <function> defined @GatherMate2\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:179
IsModule = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:248
baseName = "SexyCooldown"
SetDefaultModuleState = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:418
CacheSpells = <function> defined @SexyCooldown\Modules\Spells.lua:158
CleanupSpellCooldowns = <function> defined @SexyCooldown\Modules\Spells.lua:149
SetEnabledState = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:455
Refresh = <function> defined @SexyCooldown\Modules\Spells.lua:99
enabledState = true
Disable = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:345
RegisterEvent = <function> defined @GatherMate2\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:116
UnregisterAllMessages = <function> defined @GatherMate2\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:200
OnEnable = <function> defined @SexyCooldown\Modules\Spells.lua:60
OnInitialize = <function> defined @SexyCooldown\Modules\Spells.lua:27
NewModule = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:266
IterateModules = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:468
defaultModuleState = true
SendMessage = <function> defined @GatherMate2\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:85
GetName = <function> defined @GatherMate2\Libs\AceAddon-3.0\AceAddon-3.0.lua:310
moduleName = "Spells"
UnregisterEvent = <function> defined @GatherMate2\Libs\CallbackHandler-1.0\CallbackHandler-1.0.lua:179
UNIT_SPELLCAST_FAILED = <function> defined @SexyCooldown\Modules\Spells.lua:75
}
spellQueue = <table> {
1 = "Winds of the North"
2 = "Black War Wolf"
3 = "Warlord's Deathwheel"
}
spellSet = <table> {
Shield Slam = 23922
Charge = 100
Armor Skills = 76268
Furious Slash = 100130
Cold Weather Flying = 54197
Berserker Rage = 18499
Seasoned Soldier = 12712
Overpower = 7384
Focused Rage = 204488
The Quick and the Dead = 83950
Mount Up = 78633
Warbreaker = 209577
Last "