Revision graph of testProject/scripts/diffpp.1

exec failed:

 /home/rizwank/bin/cvsgraph -i -c /home/rizwank/geekymedia.com/viewcvs/cvsgraph.conf -r /home/rizwank/cvs -6 &sortby=rev -7 ?sortby=rev testProject/scripts/diffpp.1,v 

Python Exception Occurred

Traceback (most recent call last):
  File "/home/rizwank/geekymedia.com/viewcvs/lib/viewcvs.py", line 2625, in run_cgi
    main()
  File "/home/rizwank/geekymedia.com/viewcvs/lib/viewcvs.py", line 2596, in main
    view_cvsgraph(cfg, request)
  File "/home/rizwank/geekymedia.com/viewcvs/lib/viewcvs.py", line 1978, in view_cvsgraph
    request.where + ',v'), 'r')
  File "/home/rizwank/geekymedia.com/viewcvs/lib/popen.py", line 75, in popen
    os.execvp(cmd, (cmd,) + tuple(args))
  File "/usr/lib/python2.7/os.py", line 346, in execvp
    _execvpe(file, args)
  File "/usr/lib/python2.7/os.py", line 370, in _execvpe
    func(file, *argrest)
OSError: [Errno 2] No such file or directory