Error encountered when using

[Karlkongcheng]

Failed to invoke the next action, please contact support.
Value cannot be null. (Parameter 'source')
at System.Linq.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
at System.Linq.Enumerable.Any[TSource](IEnumerable1 source, Func2 predicate)
at System.Linq.Enumerable.Any[TSource](IEnumerable1 source, Func2 predicate)
at RotationSolver.Basic.Helpers.ObjectHelper.IsTopPriorityHostile(IGameObject obj) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Helpers\ObjectHelper.cs:line 323
at System.Linq.Enumerable.WhereEnumerableIterator1.ToList() at RotationSolver.Basic.Actions.ActionTargetInfo.<FindTargetByType>g__FindHostile|33_8(<>c__DisplayClass33_0&) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Actions\ActionTargetInfo.cs:line 970 at RotationSolver.Basic.Actions.ActionTargetInfo.FindTargetByType(IEnumerable1 IGameObjects, TargetType type, Single healRatio, SpecialActionType actionType) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Actions\ActionTargetInfo.cs:line 776
at RotationSolver.Basic.Actions.ActionTargetInfo.FindTarget(Boolean skipAoeCheck, Boolean skipStatusProvideCheck) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Actions\ActionTargetInfo.cs:line 334
at RotationSolver.Basic.Actions.BaseAction.CanUse(IAction& act, Boolean isLastAbility, Boolean isFirstAbility, Boolean skipStatusProvideCheck, Boolean skipComboCheck, Boolean skipCastingCheck, Boolean usedUp, Boolean skipAoeCheck, Boolean skipTTKCheck, Byte gcdCountForAbility) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Actions\BaseAction.cs:line 157
at DefaultRotations.Tank.GNB_Default.DefenseAreaAbility(IAction nextGCD, IAction& act) in D:\a\RebornRotations\RebornRotations\BasicRotations\Tank\GNB_Default.cs:line 34
at RotationSolver.Basic.Rotations.CustomRotation.UpdateDefenseActions(IAction& act) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Rotations\CustomRotation_Invoke.cs:line 109
at RotationSolver.Basic.Rotations.CustomRotation.UpdateActions(JobRole role) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Rotations\CustomRotation_Invoke.cs:line 66
at RotationSolver.Basic.Rotations.CustomRotation.TryInvoke(IAction& newAction, IAction& gcdAction) in D:\a\RotationSolverReborn\RotationSolverReborn\RotationSolver.Basic\Rotations\CustomRotation_Invoke.cs:line 21

[LTS-FFXIV]

what version of RSR and RebornRotations are you on?