[ns] Can't import traffic model file

[pejman]

Dear;
  While i am trying to import traffic model file there are some errors like :
   
  num_nodes is set 100
INITIALIZE THE LIST xListHead
Loading connection pattern...
Loading scenario file...
couldn't read file "scene-100": no such file or directory
    while executing
"source.orig scene-100"
    ("uplevel" body line 1)
    invoked from within
"uplevel source.orig [list $fileName]"
    invoked from within
"if [$instance_ is_http_url $fileName] {
set buffer [$instance_ read_url $fileName]
uplevel eval $buffer
} else {
uplevel source.orig [list $fileName]
..."
    (procedure "source" line 8)
    invoked from within
"source $opt(sc)"
    (file "video.tcl" line 161)
   
  I adjusted the path as "../mobility/scen/cbr-100" and after the lines changed the path as "../../mobility/scen" and even to "./scen" but didn't get answer.
  any one can help ?
  best:
  Pejman.

       
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