yum problem

[Pushparaj Shetty]

Dear Friends,
I have a problem with yum command. whenever i give yum command at
root, i get the following fail message
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[root at macs_20_252 praj]# yum update
Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.main(sys.argv[1:])
  File "/usr/share/yum-cli/yummain.py", line 80, in main
    base.getOptionsConfig(args)
  File "/usr/share/yum-cli/cli.py", line 177, in getOptionsConfig
    self.doConfigSetup(fn=opts.conffile, root=root)
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 104,
in doConfigSetup
    self.getReposFromConfig()
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 135,
in getReposFromConfig
    parser.read(files)
  File "/usr/lib/python2.4/site-packages/yum/parser.py", line 225, in read
    IncludingConfigParser.read(self,filename)
  File "/usr/lib/python2.4/site-packages/yum/parser.py", line 126, in read
    ConfigParser.read(self,filename)
  File "/usr/lib/python2.4/ConfigParser.py", line 267, in read
    self._read(fp, filename)
  File "/usr/lib/python2.4/ConfigParser.py", line 462, in _read
    raise MissingSectionHeaderError(fpname, lineno, line)
ConfigParser.MissingSectionHeaderError: File contains no section headers.
file: ///etc/yum.repos.d/macromedia.repo, line: 1
'macromedia]\n'
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The problem started when i tried to install mplayer. Now I cannot
install any package, even from add/Remove software menu. Please help
me to solve the problem.
Thank you
Pushparaj