Help with Error - Modded Rimworld

[Direwolf]

Below is an error I am receiving in-game and it is spamming my error log. I am still able to play but not sure if it is causing lag. I cannot find the cause. Any advice would be appreciated!

Exception ticking Bullet_CryoLauncher913616 (at (84, 0, 173)): System.MissingMethodException: void Verse.GenExplosion.DoExplosion(Verse.IntVec3,Verse.Map,single,Verse.DamageDef,Verse.Thing,int,single,Verse.SoundDef,Verse.ThingDef,Verse.ThingDef,Verse.Thing,Verse.ThingDef,single,int,System.Nullable`1<Verse.GasType>,bool,Verse.ThingDef,single,int,single,bool,System.Nullable`1<single>,System.Collections.Generic.List`1<Verse.Thing>,System.Nullable`1<Verse.FloatRange>,bool,single,single,bool,Verse.ThingDef)
at (wrapper dynamic-method) Verse.Projectile.Verse.Projectile.ImpactSomething_Patch2(Verse.Projectile)
at (wrapper dynamic-method) Verse.Projectile.Verse.Projectile.Tick_Patch2(Verse.Projectile)
at Verse.TickList.Tick () [0x0015c] in <3126aca1aad041dcbdeda807cfe004bf>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) Verse.Log:Verse.Log.Error_Patch1 (string)
Verse.TickList:Tick ()
(wrapper dynamic-method) Verse.TickManager:Verse.TickManager.DoSingleTick_Patch3 (Verse.TickManager)
Verse.TickManager:TickManagerUpdate ()
(wrapper dynamic-method) Verse.Game:Verse.Game.UpdatePlay_Patch1 (Verse.Game)
(wrapper dynamic-method) Verse.Root_Play:Verse.Root_Play.Update_Patch1 (Verse.Root_Play)