It didn't stop me from doing the quest but it did throw an error when I opened the alchemy bench:

4x .../Modules/ReagentOptimization/ReagentOptimization.lua:75: attempt to index field '?' (a nil value)
[string "@CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua"]:75: in function optimizeKnapsack' [string "@CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua"]:437: in function OptimizeReagentAllocation'
[string "@CraftSim/Main/CraftSim.lua"]:722: in function TriggerModulesByRecipeType' [string "@CraftSim/Main/CraftSim.lua"]:204: in function TriggerModulesErrorSafe'
[string "@CraftSim/Main/CraftSim.lua"]:249: in function <CraftSim/Main/CraftSim.lua:222>
[string "=[C]"]: ?
[string "=[C]"]: in function Init' [string "@Blizzard_ProfessionsTemplates/Blizzard_ProfessionsRecipeSchematicForm.lua"]:192: in function <...emplates/Blizzard_ProfessionsRecipeSchematicForm.lua:186> [string "=[C]"]: in function SetShown'
[string "@SharedXML/TabSystem/TabSystemOwner.lua"]:33: in function SetTab' [string "@SharedXML/TabSystem/TabSystemOwner.lua"]:69: in function SetTab'
[string "@Blizzard_Professions/Blizzard_ProfessionsFrame.lua"]:419: in function SetTab' [string "@Blizzard_Professions/Blizzard_ProfessionsFrame.lua"]:300: in function UpdateTabs'
[string "@Blizzard_Professions/Blizzard_ProfessionsFrame.lua"]:247: in function Refresh' [string "@Blizzard_Professions/Blizzard_ProfessionsFrame.lua"]:209: in function SetProfessionInfo'
[string "@Blizzard_Professions/Blizzard_ProfessionsFrame.lua"]:139: in function <...s/Blizzard_Professions/Blizzard_ProfessionsFrame.lua:102>

Locals:
self =

{
AssignBestAllocation = defined @CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua:194
CreateCrumbs = defined @CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua:224
GetGCD = defined @CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua:19
IsCurrentAllocation = defined @CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua:216
OptimizeReagentAllocation = defined @CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua:273
FRAMES = {
}
GetReagentWeightByID = defined @CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua:11
optimizeKnapsack = defined @CraftSim/Modules/ReagentOptimization/ReagentOptimization.lua:33
}
ks = {
0 = {
}
}
BPs = {
1 = 0
2 = -1
0 = 0.053333
}
recipeData = {
isGear = false
reagentData = {
}
maxQuality = 3
recipeIcon = 134140
crafterClass = "WARRIOR"
supportsCraftingStats = true
supportsCraftingspeed = true
learned = true
crafter = "Khanewar"
isSalvageRecipe = false
supportsMulticraft = false
isOldWorldRecipe = false
buffData = {
}
isEnchantingRecipe = false
baseProfessionStats = {
}
isCooking = false
recipeID = 377978
averageProfitCached = 0
numSkillUps = 1
isRecraft = false
resultData = {
}
priceData = {
}
professionStatModifiers = {
}
professionStats = {
}
hasQualityReagents = true
supportsQualities = true
recipeName = "Heart in a Bottle"
supportsInspiration = true
isSoulbound = false
baseItemAmount = 1
categoryID = 1687
isSimulationModeData = false
specializationData = {
}
professionGearSet = {
}
supportsResourcefulness = false
professionData = {
}
subtypeID = 0
isBaseRecraftRecipe = false
}
numMaterials = 0
i = nil
j = nil
k = nil
maxWeight = Infinite
inf = Infinite
b = {
}
c = {
}
i = 0
(for index) = 0
(for limit) = 6
(for step) = 1
k = 0
(*temporary) = nil
(*temporary) = Infinite
(*temporary) = 0
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = nil
(*temporary) = "attempt to index field '?' (a nil value)"
print = defined @CraftSim/Util/Util.lua:12