Python Error while building

Hi,

  I am encountering exceptions raised by Python while building Helix Client.
  Could this due to the version of Python i.e .2.5.2 that i am using.
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  /home/vishym/source/build/lib/bif.py:235: DeprecationWarning:
raising a string exception is deprecated
  raise err.error, e
WARNING: this bif file fails to parse with new BIF parser
Two or more modules have id="datatype_group_payload_packetizer" in the bif file.
/usr/lib/python2.5/xmllib.py:9: DeprecationWarning: The xmllib module
is obsolete.  Use xml.sax instead.
  warnings.warn("The xmllib module is obsolete.  Use xml.sax
instead.", DeprecationWarning)
[WARNING] bif parser(/home/vishym/source/build/bif-cvs/helix/common/build/BIF/helix.bif:3):
This BIF file lacks an expiration date, using 2005-01-01
[#-00000069][2009-03-25 10:46:20][-1209931584][ERROR] : --- Build
System Error ------------------------------------
You have found a Ribosome bug.
-----------------------------------------------------------
--- Python Traceback --------------------------------------
------------------------------------
Traceback (most recent call last):
  File "/home/vishym/source/build/bin/launcher.py", line 117, in __runTool
    tool.run()
  File "/home/vishym/source/build/lib/build_exe.py", line 899, in run
    ShellToolApp().main()
  File "/home/vishym/source/build/lib/build_exe.py", line 336, in __init__
    bif_data = self.GetBIF()
  File "/home/vishym/source/build/lib/build_exe.py", line 628, in GetBIF
    bif.load_bif_data(filename, self.branch_list) )
  File "/home/vishym/source/build/lib/bif.py", line 167, in load_bif_data
    bif_data = load_bif(filename, branchlist, shadow)
  File "/home/vishym/source/build/lib/bif.py", line 121, in load_bif
    BIFParser(filename, bif_data, branchlist)
  File "/home/vishym/source/build/lib/bif.py", line 991, in __init__
    BIFParserFunctions.__init__(self, filename, bif_data, branchlist)
  File "/home/vishym/source/build/lib/bif.py", line 362, in __init__
    self.parse_bif(filename)
  File "/home/vishym/source/build/lib/bif.py", line 397, in parse_bif
    self.feed(line)
  File "/usr/lib/python2.5/xmllib.py", line 171, in feed
    self.goahead(0)
  File "/usr/lib/python2.5/xmllib.py", line 287, in goahead
    k = self.parse_endtag(i)
  File "/usr/lib/python2.5/xmllib.py", line 697, in parse_endtag
    self.finish_endtag(tag)
  File "/usr/lib/python2.5/xmllib.py", line 730, in finish_endtag
    self.handle_endtag(nstag, method)
  File "/usr/lib/python2.5/xmllib.py", line 751, in handle_endtag
    method()
  File "/home/vishym/source/build/lib/bif.py", line 839, in end_module
    self.bif_data.add_module(self.module)
  File "/home/vishym/source/build/lib/bif.py", line 235, in add_module
    raise err.error, e
Build System Error: Two or more modules have id="common" in the bif file.
-----------------------------------------------------------

/home/vishym/source/build/bin/launcher.py:131: DeprecationWarning:
raising a string exception is deprecated
  raise
Traceback (most recent call last):
  File "/home/vishym/source/build/bin/build.py", line 67, in <module>
    tool.run()
  File "/home/vishym/source/build/bin/launcher.py", line 97, in run
    self.__runTool()
  File "/home/vishym/source/build/bin/launcher.py", line 117, in __runTool
    tool.run()
  File "/home/vishym/source/build/lib/build_exe.py", line 899, in run
    ShellToolApp().main()
  File "/home/vishym/source/build/lib/build_exe.py", line 336, in __init__
    bif_data = self.GetBIF()
  File "/home/vishym/source/build/lib/build_exe.py", line 628, in GetBIF
    bif.load_bif_data(filename, self.branch_list) )
  File "/home/vishym/source/build/lib/bif.py", line 167, in load_bif_data
    bif_data = load_bif(filename, branchlist, shadow)
  File "/home/vishym/source/build/lib/bif.py", line 121, in load_bif
    BIFParser(filename, bif_data, branchlist)
  File "/home/vishym/source/build/lib/bif.py", line 991, in __init__
    BIFParserFunctions.__init__(self, filename, bif_data, branchlist)
  File "/home/vishym/source/build/lib/bif.py", line 362, in __init__
    self.parse_bif(filename)
  File "/home/vishym/source/build/lib/bif.py", line 397, in parse_bif
    self.feed(line)
  File "/usr/lib/python2.5/xmllib.py", line 171, in feed
    self.goahead(0)
  File "/usr/lib/python2.5/xmllib.py", line 287, in goahead
    k = self.parse_endtag(i)
  File "/usr/lib/python2.5/xmllib.py", line 697, in parse_endtag
    self.finish_endtag(tag)
  File "/usr/lib/python2.5/xmllib.py", line 730, in finish_endtag
    self.handle_endtag(nstag, method)
  File "/usr/lib/python2.5/xmllib.py", line 751, in handle_endtag
    method()
  File "/home/vishym/source/build/lib/bif.py", line 839, in end_module
    self.bif_data.add_module(self.module)
  File "/home/vishym/source/build/lib/bif.py", line 235, in add_module
    raise err.error, e
Build System Error: Two or more modules have id="common" in the bif file.

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Regards,
Vishy