When using this spell it produced this error every time.

371x Ovale\dist\Runes-Runes.lua:190: attempt to perform arithmetic on local 'runicpower' (a nil value)
Ovale\dist\Runes-Runes.lua:190: in function ConsumeRune' Ovale\dist\Runes-Runes.lua:156: in function ApplyRuneCost'
Ovale\dist\Runes-Runes.lua:142: in function ApplySpellAfterCast' Ovale\dist\State.lua:67: in function ApplySpellAfterCast'
Ovale\dist\Future.lua:978: in function ApplySpell' Ovale\dist\Future.lua:1006: in function ApplyInFlightSpells'
Ovale\dist\BestAction.lua:721: in function `StartNewAction'
Ovale\dist\Frame.lua:145: in function <Ovale\dist\Frame.lua:121>
(tail call): ?

Locals:
self =

{
enabled = false
current = {
}
next = {
}
}
spellId = 111673
atTime = 1443300.435
snapshot = {
spellId = 111673
critRating = 983
damageMultiplier = 1
baseDamageMultiplier = 1
hasteRating = 508
target = "Creature-0-3884-1763-12436-127757-00021D52FF"
channel = false
spellName = "Control Undead"
attackPower = 6876
offHandWeaponDPS = 0
mainHandWeaponDPS = 0
lineId = "Cast-3-3884-1763-12436-111673-00079D543C"
masteryEffect = 27.027778625488
masteryRating = 13.513889312744
spellCrit = 19.65277671814
targetName = "Reanimated Honor Guard"
versatilityRating = 749
stop = 1443300.435
meleeCrit = 19.65277671814
stamina = 10638
queued = 1443299.166
intellect = 794
agility = 1219
hastePercent = 18.217651367188
meleeAttackSpeedPercent = 18.217651367188
versatility = 8.8117647171021
rangedCrit = 19.65277671814
caster = "Player-9-031DD5CF"
strength = 5507
snapshotTime = 1443299.069
spellCastSpeedPercent = 18.217651367188
rangedAttackSpeedPercent = 18.217651367188
start = 1443299.166
spellPower = 794
}
consumedRune = {
endCooldown = 1443317.4969476
startCooldown = 1443309.0379739
}
start = 1443309.0379739
duration = 8.4589736679337
runicpower = nil
(*temporary) = {
spellId = 111673
critRating = 983
damageMultiplier = 1
baseDamageMultiplier = 1
hasteRating = 508
target = "Creature-0-3884-1763-12436-127757-00021D52FF"
channel = false
spellName = "Control Undead"
attackPower = 6876
offHandWeaponDPS = 0
mainHandWeaponDPS = 0
lineId = "Cast-3-3884-1763-12436-111673-00079D543C"
masteryEffect = 27.027778625488
masteryRating = 13.513889312744
spellCrit = 19.65277671814
targetName = "Reanimated Honor Guard"
versatilityRating = 749
stop = 1443300.435
meleeCrit = 19.65277671814
stamina = 10638
queued = 1443299.166
intellect = 794
agility = 1219
hastePercent = 18.217651367188
meleeAttackSpeedPercent = 18.217651367188
versatility = 8.8117647171021
rangedCrit = 19.65277671814
caster = "Player-9-031DD5CF"
strength = 5507
snapshotTime = 1443299.069
spellCastSpeedPercent = 18.217651367188
rangedAttackSpeedPercent = 18.217651367188
start = 1443299.166
spellPower = 794
}
(*temporary) = 1.1821765136719
(*temporary) = {
endCooldown = 1443309.0379739
startCooldown = 1443300.579
}
(*temporary) = 1443309.0379739
(*temporary) = 1443300.435
(*temporary) = "attempt to perform arithmetic on local 'runicpower' (a nil value)"
__exports = {
OvaleRunes = {
}
}
RUNE_SLOTS = 6
IsActiveRune = defined @ovale\dist\Runes.lua:27
OvalePaperDoll = {
enabled = false
current = {
}
specialization = 1
next = {
}
SaveSpellcastInfo = defined @ovale\dist\PaperDoll.lua:196
level = 120
CopySpellcastInfo = defined @ovale\dist\PaperDoll.lua:193
class = "DEATHKNIGHT"
}
OvalePower = {
enabled = false
current = {
}
PRIMARY_POWER = {
}
next = {
}
RequirePowerHandler = defined @ovale\dist\Power.lua:586
POWER_INFO = {
}
POWER_TYPE = {
}
CopySpellcastInfo = defined @ovale\dist\Power.lua:589
POOLED_RESOURCE = {
}
}