Divide by zero

Exception of type `System.DivideByZeroException`: Attempted to divide by zero.
   at OpenRA.int2.Lerp(Int32 a, Int32 b, Int32 mul, Int32 div) in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\Primitives\int2.cs:line 74
   at OpenRA.Mods.Common.Warheads.SpreadDamageWarhead.GetDamageFalloff(Int32 distance)
   at OpenRA.Mods.Common.Warheads.SpreadDamageWarhead.DoImpact(WPos pos, Actor firedBy, IEnumerable`1 damageModifiers)
   at OpenRA.Mods.Common.Warheads.DamageWarhead.DoImpact(Target target, Actor firedBy, IEnumerable`1 damageModifiers)
   at OpenRA.GameRules.WeaponInfo.<>c__DisplayClassa.<Impact>b__6() in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\GameRules\WeaponInfo.cs:line 160
   at OpenRA.GameRules.WeaponInfo.Impact(Target target, Actor firedBy, IEnumerable`1 damageModifiers) in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\GameRules\WeaponInfo.cs:line 164
   at OpenRA.Mods.Common.Effects.Bullet.Explode(World world)
   at OpenRA.Mods.Common.Effects.Bullet.Tick(World world)
   at OpenRA.World.<Tick>b__8(IEffect e) in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\World.cs:line 305
   at OpenRA.WorldUtils.DoTimed[T](IEnumerable`1 e, Action`1 a, String text) in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\WorldUtils.cs:line 69
   at OpenRA.World.Tick() in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\World.cs:line 305
   at OpenRA.Game.InnerLogicTick(OrderManager orderManager) in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\Game.cs:line 557
   at OpenRA.Game.LogicTick() in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\Game.cs:line 582
   at OpenRA.Game.Loop() in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\Game.cs:line 709
   at OpenRA.Game.Run() in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\Game.cs:line 749
   at OpenRA.Program.Run(String[] args) in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\Support\Program.cs:line 117
   at OpenRA.Program.Main(String[] args) in c:\OpenRA Testing\OpenRA-bleed 20160210\OpenRA-bleed\OpenRA.Game\Support\Program.cs:line 39