[ns] GPRS help!!!!!(urgent)

[geeta jaggal]

   Hi!
      I am facing the problem while executing the gprs
code contributed by Jeisa in ns2-allinone2.1b9a
version.
when i execute the script i am getting the error 
  
       wrong node routing agent

   please help me to overcome this problem which i    
 
   mentioned above. 

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