Im using combat extended dev version for 1.6 since an official version hasn't been released yet, this mod may not be the issue but imma post it here anyways:

JobDriver threw exception in toil MakeNewToils's initAction for pawn Randy driver=JobDriver_Wait (toilIndex=0) driver.job=(Wait_Combat (Job_13646392) A = (162, 0, 85) Giver = JobGiver_Orders [workGiverDef: null])
System.NullReferenceException: Object reference not set to an instance of an object
[Ref 3B4B6A12]
at CombatExtended.CompTacticalManager.TryStartCastChecks (Verse.Verb verb, Verse.LocalTargetInfo castTarg, Verse.LocalTargetInfo destTarg) [0x00046] in <32142a6905d6463db07fed0de26b0677>:0
at CombatExtended.HarmonyCE.Harmony_Verb_TryStartCastOn.CheckReload (Verse.Verb __instance, Verse.LocalTargetInfo castTarg, Verse.LocalTargetInfo destTarg) [0x00045] in <32142a6905d6463db07fed0de26b0677>:0
at Verse.Verb.TryStartCastOn (Verse.LocalTargetInfo castTarg, Verse.LocalTargetInfo destTarg, System.Boolean surpriseAttack, System.Boolean canHitNonTargetPawns, System.Boolean preventFriendlyFire, System.Boolean nonInterruptingSelfCast) [0x000c3] in <981a33edf24d499488b0f820d94638e1>:0
- TRANSPILER CombatExtended.HarmonyCE: IEnumerable1 CombatExtended.HarmonyCE.Harmony_Verb_TryStartCastOn:Transpiler(IEnumerable1 instructions, ILGenerator generator)
- PREFIX roolo.RunAndGun.kotobike: Boolean RunAndGun.Harmony.Verb_TryStartCastOn:Prefix(Verb __instance, LocalTargetInfo castTarg, Boolean surpriseAttack, Boolean canHitNonTargetPawns, Boolean& ___surpriseAttack, Boolean& ___canHitNonTargetPawnsNow, LocalTargetInfo& ___currentTarget)
- PREFIX OskarPotocki.VEF: Void VEF.Weapons.VanillaExpandedFramework_Verb_TryStartCastOn_Lasers_Patch:TryStartCastOn_RapidFire_Prefix(Verb& __instance, LocalTargetInfo castTarg)
- POSTFIX OskarPotocki.VEF: Void VEF.Weapons.VanillaExpandedFramework_Verb_TryStartCastOn_Lasers_Patch:TryStartCastOn_RapidFire_Postfix(Verb& __instance, LocalTargetInfo castTarg, Single __state)
at CombatExtended.Verb_LaunchProjectileCE.TryStartCastOn (Verse.LocalTargetInfo castTarg, Verse.LocalTargetInfo destTarg, System.Boolean surpriseAttack, System.Boolean canHitNonTargetPawns, System.Boolean preventFriendlyFire, System.Boolean nonInterruptingSelfCast) [0x00001] in <32142a6905d6463db07fed0de26b0677>:0
at Verse.Verb.TryStartCastOn (Verse.LocalTargetInfo castTarg, System.Boolean surpriseAttack, System.Boolean canHitNonTargetPawns, System.Boolean preventFriendlyFire, System.Boolean nonInterruptingSelfCast) [0x00007] in <981a33edf24d499488b0f820d94638e1>:0
at Verse.Pawn.TryStartAttack (Verse.LocalTargetInfo targ) [0x00056] in <981a33edf24d499488b0f820d94638e1>:0
at Verse.AI.JobDriver_Wait.CheckForAutoAttack () [0x0039b] in <981a33edf24d499488b0f820d94638e1>:0
- TRANSPILER OskarPotocki.VEF: IEnumerable1 VEF.Weapons.VanillaExpandedFramework_JobDriver_Wait_CheckForAutoAttack_Patch:Transpiler(IEnumerable1 instructions, ILGenerator generator)
- TRANSPILER legodude17.mvcf: IEnumerable1 MVCF.PatchSets.PatchSet_TargetFinder:BestTargetTranspiler(IEnumerable1 instructions)
at Verse.AI.JobDriver_Wait.<MakeNewToils>b__3_0 () [0x0003d] in <981a33edf24d499488b0f820d94638e1>:0
at Verse.AI.JobDriver.TryActuallyStartNextToil () [0x001b0] in <981a33edf24d499488b0f820d94638e1>:0
UnityEngine.StackTraceUtility:ExtractStackTrace ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.Log.Error_Patch1 (string)
Verse.AI.JobUtility:TryStartErrorRecoverJob (Verse.Pawn,string,System.Exception,Verse.AI.JobDriver)
Verse.AI.JobDriver:TryActuallyStartNextToil ()
Verse.AI.JobDriver:ReadyForNextToil ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.AI.Pawn_JobTracker.StartJob_Patch1 (Verse.AI.Pawn_JobTracker,Verse.AI.Job,Verse.AI.JobCondition,Verse.AI.ThinkNode,bool,bool,Verse.ThinkTreeDef,System.Nullable1<Verse.AI.JobTag>,bool,bool,System.Nullable1<bool>,bool,bool,bool)
Verse.AI.Pawn_JobTracker:TryFindAndStartJob ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.AI.Pawn_JobTracker.EndCurrentJob_Patch1 (Verse.AI.Pawn_JobTracker,Verse.AI.JobCondition,bool,bool)
Verse.AI.JobDriver:EndJobWith (Verse.AI.JobCondition)
Verse.AI.JobDriver:TryActuallyStartNextToil ()
Verse.AI.JobDriver:ReadyForNextToil ()
Verse.AI.JobDriver:TryActuallyStartNextToil ()
Verse.AI.JobDriver:ReadyForNextToil ()
Verse.AI.JobDriver:Notify_PatherArrived ()
Verse.AI.Pawn_PathFollower:PatherArrived ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.AI.Pawn_PathFollower.TryEnterNextPathCell_Patch1 (Verse.AI.Pawn_PathFollower)
Verse.AI.Pawn_PathFollower:PatherTick ()
Verse.Pawn:Tick ()
Verse.Thing:DoTick ()
Verse.TickList:Tick ()
(wrapper dynamic-method) MonoMod.Utils.DynamicMethodDefinition:Verse.TickManager.DoSingleTick_Patch2 (Verse.TickManager)
Verse.TickManager:TickManagerUpdate ()
Verse.Game:UpdatePlay ()
Verse.Root_Play:Update ()