[MonoDevelop] How to tell monodevelop to use debugger from default runtime?

[xplicit]

I run monodevelop 2.2 on the mono 2.4. I select default runtime to
mono-2-6-4. When I start my application from monodevelop in mono 2.6, I can
stop on the breakpoint, but when I try to add watch a "MethodMissing"
exception occurs. I think this is because monodevelop try to use
Mono.Debugger from mono 2.4, not mono 2.6. How can I tell monodevelop to use
debugger from the my current development runtime?

System.MissingMethodException: Method not found:
'Mono.Debugger.Method.GetDeclaringType'.

Server stack trace: 
  at
Mono.Debugging.Evaluation.ObjectValueAdaptor.GetExpressionCompletionData
(Mono.Debugging.Evaluation.EvaluationContext ctx, System.String exp)
[0x00000] in <filename unknown>:0 
  at Mono.Debugging.Evaluation.BaseBacktrace.GetExpressionCompletionData
(Int32 frameIndex, System.String exp) [0x00000] in <filename unknown>:0 
  at (wrapper managed-to-native)
System.Runtime.Remoting.RemotingServices:InternalExecute
(System.Reflection.MethodBase,object,object[],object[]&)
  at System.Runtime.Remoting.RemotingServices.InternalExecuteMessage
(System.MarshalByRefObject target, IMethodCallMessage reqMsg) [0x000a4] in
/home/sergey/Soft/mono-2-6-4/mcs/class/corlib/System.Runtime.Remoting/RemotingServices.cs:147 

Exception rethrown at [0]: 

  at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke
(System.Runtime.Remoting.Proxies.RealProxy rp, IMessage msg,
System.Exception& exc, System.Object[]& out_args) [0x00000]  
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