What steps will reproduce the problem?
1. When you check your missions at your garrison

What is the expected output? What do you see instead?

What version of the product are you using? the latest version on curse 1.3 I believe

Do you have an error log of what happened? Yes

67x MissionComplete\MissionComplete-v1.3.lua:135 attempt to perform arithmetic on field 'materialMultiplier' (a table value)
MissionComplete\MissionComplete-v1.3.lua:135 in function <MissionComplete\MissionComplete.lua:109
MissionComplete\MissionComplete-v1.3.lua:278 in function <MissionComplete\MissionComplete.lua:202

Locals:
self = MissionCompleteFrame {
 0 = <userdata>
}
event = "GARRISON_MISSION_BONUS_ROLL_COMPLETE"
arg1 = 211
arg2 = true
arg3 = nil
arg4 = nil
arg5 = nil
CompleteMissions = <function> defined @MissionComplete\MissionComplete.lua:175
manage_missions = true
MCDebug = <function> defined @MissionComplete\MissionComplete.lua:42
timer = nil
SetUpAdvanceMissionStage = <function> defined @MissionComplete\MissionComplete.lua:97
next = <function> defined =[C]:-1
missions = <table> {
 1 = <table> {
 }
 2 = <table> {
 }
}
mission_index = 2
PrintCurrentMissionOutcome = <function> defined @MissionComplete\MissionComplete.lua:109
C_Garrison = <table> {
 GetBuildingSizes = <function> defined =[C]:-1
 GetFollowerActivationCost = <function> defined =[C]:-1
 CloseTradeskillCrafter = <function> defined =[C]:-1
 GetShipDeathAnimInfo = <function> defined =[C]:-1
 GetFollowerClassSpecByID = <function> defined =[C]:-1
 GetFollowerLevelXP = <function> defined =[C]:-1
 GetBuffedFollowersForMission = <function> defined =[C]:-1
 UpgradeGarrison = <function> defined =[C]:-1
 IsFollowerCollected = <function> defined =[C]:-1
 GetFollowerAbilityIcon = <function> defined =[C]:-1
 GetFollowerClassSpecName = <function> defined =[C]:-1
 GetRecruitAbilities = <function> defined =[C]:-1
 GetNumFollowersOnMission = <function> defined =[C]:-1
 GetFollowerXPTable = <function> defined =[C]:-1
 GetFollowerQualityTable = <function> defined =[C]:-1
 CastItemSpellOnFollowerAbility = <function> defined =[C]:-1
 GetMissionName = <function> defined =[C]:-1
 RemoveFollowerFromBuilding = <function> defined =[C]:-1
 GetPartyBuffs = <function> defined =[C]:-1
 GetFollowerInfo = <function> defined =[C]:-1
 IsOnShipmentQuestForNPC = <function> defined =[C]:-1
 GetMissionSuccessChance = <function> defined =[C]:-1
 GetNumFollowerDailyActivations = <function> defined =[C]:-1
 GetFollowerMissionTimeLeftSeconds = <function> defined =[C]:-1
 RequestShipmentCreation = <function> defined =[C]:-1
 GetNumActiveFollowers = <function> defined =[C]:-1
 GetShipmentReagentItemLink = <function> defined =[C]:-1
 GetMissionBonusAbilityEffects = <function> defined =[C]:-1
 AddFollowerToMission = <function> defined =[C]:-1
 GetFollowerMissionCompleteInfo = <function> defined =[C]:-1
 RequestLandingPageShipmentInfo = <function> defined =[C]:-1
 CloseRecruitmentNPC = <function> defined =[C]:-1
 GetFollowerNameByID = <function> defined =[C]:-1
 SetBuildingSpecialization = <function> defined =[C]:-1
 GetAvailableMissions = <function> defined =[C]:-1
 SwapBuildings = <function> defined =[C]:-1
 GetBuildings = <function> defined =[C]:-1
 GetBuildingSpecInfo = <function> defined =[C]:-1
 MissionBonusRoll = <function> defined =[C]:-1
 GetBuildingInfo = <function> defined =[C]:-1
 RequestShipmentInfo = <function> defined =[C]:-1
 IsInvasionAvailable = <function> defined =[C]:-1
 AllowMissionStartAboveSoftCap = <function> defined =[C]:-1
 GetMissionCompleteEncounters = <function> defined =[C]:-1
 RequestGarrisonUpgradeable = <function> defined =[C]:-1
 GenerateRecruits = <function> defined =[C]:-1
 GetBuildingsForPlot = <function> defined =[C]:-1
 GetFollowerQuality = <function> defined =[C]:-1
 GetFollowerClassSpecAtlas = <function> defined =[C]:-1
 GetRecruiterAbilityCategories = <function> defined =[C]:-1
 CloseMissionNPC = <function> defined =[C]:-1
 TargetSpellHasFollowerReroll = <function> defined =[C]:-1
 IsUsingPartyGarrison = <function> defined =[C]:-1
 GetFollowerPortraitIconID = <function> defined =[C]:-1
 SetUsingPartyGarrison = <function> defined =[C]:-1
 RecruitFollower = <function> defined =[C]:-1
 GetGarrisonInfo = <function> defined =[C]:-1
 StartMission = <function> defined =[C]:-1
 GetFollowerSourceTextByID = <function> defined =[C]:-1
 SetFollowerInactive = <function> defined =[C]:-1
 GetBuildingTimeRemaining = <function> defined =[C]:-1
 GetMissionLink = <function> defined =[C]:-1
 GetPossibleFollowersForBuilding = <function> defined =[C]:-1
 SetBuildingActive = <function> defined =[C]:-1
 GetNumPendingShipments = <fun

Please provide any additional information below.