MoveIt sometimes breaks bus routes

[originalfoo]

Since installing IPT2, I sometimes get this error:

Simulation error: Array index is out of range.
  at TransportLine.GetNextStop (UInt16 stop) [0x00000] in <filename unknown>:0 
  at ImprovedPublicTransport2.Detour.BusAIDetour.ArriveAtTarget (UInt16 vehicleID, .Vehicle& data) [0x00000] in <filename unknown>:0 
  at BusAI.ArriveAtDestination (UInt16 vehicleID, .Vehicle& vehicleData) [0x00000] in <filename unknown>:0 
  at CarAI.SimulationStep (UInt16 vehicleID, .Vehicle& vehicleData, .Frame& frameData, UInt16 leaderID, .Vehicle& leaderData, Int32 lodPhysics) [0x00000] in <filename unknown>:0 
  at BusAI.SimulationStep (UInt16 vehicleID, .Vehicle& vehicleData, .Frame& frameData, UInt16 leaderID, .Vehicle& leaderData, Int32 lodPhysics) [0x00000] in <filename unknown>:0 
  at VehicleAI.SimulationStep (UInt16 vehicleID, .Vehicle& vehicleData, UInt16 leaderID, .Vehicle& leaderData, Int32 lodPhysics) [0x00000] in <filename unknown>:0 
  at TrafficManager.Custom.AI.CustomCarAI.CustomSimulationStep (UInt16 vehicleId, .Vehicle& vehicleData, Vector3 physicsLodRefPos) [0x00000] in <filename unknown>:0 
  at VehicleManager.SimulationStepImpl (Int32 subStep) [0x00000] in <filename unknown>:0 
  at SimulationManagerBase`2[Manager,Properties].SimulationStep (Int32 subStep) [0x00000] in <filename unknown>:0 
  at VehicleManager.ISimulationManager.SimulationStep (Int32 subStep) [0x00000] in <filename unknown>:0 
  at SimulationManager.SimulationStep () [0x00000] in <filename unknown>:0 
  at SimulationManager.SimulationThread () [0x00000] in <filename unknown>:0   [Core]

More details in VictorPhilipp/Cities-Skylines-Traffic-Manager-President-Edition#185 (comment)