bot hangs with error: System.AccessViolationException

it repeat after few minutes of work - i use automaton and grinder profile. logs from session attached, logs from application log bellow. my os - windows 8.1 x64

Application: WRobot.exe

Framework Version: v4.0.30319

Description: The process was terminated due to an unhandled exception.

Exception Info: System.AccessViolationException

Stack:

at <Module>.Mepeci(dtNavMesh*, Byte*, Int32, Int32, UInt64, UInt64*)

at RDManaged.RD.AddTile(Byte[])

at wManager.Wow.Helpers.PathFinderClass.Pather.LoadTile(Int32, Int32)

at wManager.Wow.Helpers.PathFinderClass.Pather.LoadAround(robotManager.Helpful.Vector3)

at wManager.Wow.Helpers.PathFinderClass.Pather.Kokidusuidaki(Single[])

at wManager.Wow.Helpers.PathFinderClass.Pather+TuifolauXaefiv.OkiajetiOvoileaqo(Single[])

at wManager.Wow.Helpers.PathFinderClass.Pather+TuifolauXaefiv.PathfinderCurrentPos(Single[])

at <Module>.KiexaoOhocig(dtNavMeshQuery*, UInt64, UInt64, Single*, Single*, dtQueryFilter*, UInt64*, Int32*, Int32, RDManaged.NavMeshQueryCallback)

at RDManaged.RD.FindPath(Single[], Single[], Single[], Int32, System.Collections.Generic.List`1<Single> ByRef, Boolean ByRef)

at wManager.Wow.Helpers.PathFinderClass.Pather.FindPath(robotManager.Helpful.Vector3, robotManager.Helpful.Vector3, Boolean ByRef, Boolean ByRef, Int32, Single, Boolean)

at wManager.Wow.Helpers.PathFinder.FindPath(robotManager.Helpful.Vector3, robotManager.Helpful.Vector3, System.String, Boolean ByRef, Boolean, Boolean)

at wManager.Wow.Bot.States.MovementRandomInCircle.Run()

at robotManager.FiniteStateMachine.Engine.Akuoticoi(robotManager.FiniteStateMachine.State)

at robotManager.FiniteStateMachine.Engine.Pulse()

at robotManager.FiniteStateMachine.Engine.UtobougeagaNojaeb(System.Object)

at System.Threading.ThreadHelper.ThreadStart_Context(System.Object)

at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)

at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)

at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)

at System.Threading.ThreadHelper.ThreadStart(System.Object)

Faulting application name: WRobot.exe, version: 1.2.1.0, time stamp: 0x54cf8bc5

Faulting module name: unknown, version: 0.0.0.0, time stamp: 0x00000000

Exception code: 0xc0000005

Fault offset: 0x0400b7e7

Faulting process id: 0x1a60

Faulting application start time: 0x01d043f42b208b40

Faulting application path: V:\gry\WoW\bot\WRobot\WRobot.exe

Faulting module path: unknown

Report Id: 6fee1cf8-afea-11e4-8301-20cf3027675d

Faulting package full name:

Faulting package-relative application ID: