[ns] problem while running ns

[sandesh shenoy]

Hi,
                I have created multiple node Bs in Eurane but not able to run  
the simulations.I feel that the scheduler used is associated with general nodes 
in ns2.Then in the case of umts,Why the error "couldnt shedule timer "?Could 
anybody tell me how to implement a new schdeduler or how the scheduler in ns2 
works?The problem occurs wen command ns run is executed.
   
  Thanks in advance

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