r2037 ODE error on sim start:

ERROR [ ]: System.InvalidProgramException: Invalid IL code in (wrapper native-to                     -managed) OpenSim.Region.Physics.OdePlugin.OdeScene:TriArrayCallback (intptr,int                     ptr,intptr,int): IL_0033: call      0x00000006


  at <0x00000> <unknown method>
  at (wrapper managed-to-native) System.Object:__icall_wrapper_mono_delegate_to_                     ftnptr (object)
  at (wrapper managed-to-native) Ode.NET.d:CreateTriMesh (intptr,intptr,Ode.NET.                     d/TriCallback,Ode.NET.d/TriArrayCallback,Ode.NET.d/TriRayCallback)
  at OpenSim.Region.Physics.OdePlugin.OdePrim.setMesh (OpenSim.Region.Physics                        ePlugin.OdeScene parent_scene, OpenSim.Region.Physics.OdePlugin.Mesh mesh) [0                        000]
  at OpenSim.Region.Physics.OdePlugin.OdePrim..ctor (System.String primName,                         nSim.Region.Physics.OdePlugin.OdeScene parent_scene, OpenSim.Region.Physics.M                        ger.PhysicsVector pos, OpenSim.Region.Physics.Manager.PhysicsVector size, Qua                        nion rotation, OpenSim.Region.Physics.OdePlugin.Mesh mesh, OpenSim.Framework.                        es.PrimitiveBaseShape pbs) [0x00000]
  at OpenSim.Region.Physics.OdePlugin.OdeScene.AddPrim (System.String name, O                        Sim.Region.Physics.Manager.PhysicsVector position, OpenSim.Region.Physics.Man                        r.PhysicsVector size, Quaternion rotation, OpenSim.Region.Physics.OdePlugin.M                         mesh, OpenSim.Framework.Types.PrimitiveBaseShape pbs) [0x00000]
  at OpenSim.Region.Physics.OdePlugin.OdeScene.AddPrimShape (System.String pr                        ame, OpenSim.Framework.Types.PrimitiveBaseShape pbs, OpenSim.Region.Physics.M                        ger.PhysicsVector position, OpenSim.Region.Physics.Manager.PhysicsVector size                        uaternion rotation) [0x00000]
  at OpenSim.Region.Environment.Scenes.Scene.LoadPrimsFromStorage () [0x00000
  at OpenSim.Region.ClientStack.RegionApplicationBase.SetupScene (OpenSim.Fra                        ork.Types.RegionInfo regionInfo, OpenSim.Region.ClientStack.UDPServer& udpSer                        ) [0x00000]
  at OpenSim.OpenSimMain.StartUp () [0x00000]
  at OpenSim.Application.Main (System.String[] args) [0x00000]