[SCENE]         [01-30 00:03:42] Failed with exception System.InvalidOperationEx
ception: Collection was modified; enumeration operation may not execute.
   at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resour
ce)
   at System.Collections.Generic.List`1.Enumerator.MoveNext()
   at OpenSim.Region.Physics.OdePlugin.OdeScene.Simulate(Single timeStep) in C:\
OpenSIM_OSGRID\OpenSim\Region\Physics\OdePlugin\OdePlugin.cs:line 1148
   at OpenSim.Region.Environment.Scenes.InnerScene.UpdatePhysics(Double elapsed)
 in C:\OpenSIM_OSGRID\OpenSim\Region\Environment\Scenes\InnerScene.cs:line 148
   at OpenSim.Region.Environment.Scenes.Scene.Update() in C:\OpenSIM_OSGRID\Open
Sim\Region\Environment\Scenes\Scene.cs:line 587