error] Cannot establish communication : 500 Internal Server Error

[iyke]

Binary package hint: ocsinventory-agent

root@ubuntu:/etc/ocsinventory# /usr/bin/ocsinventory-agent --debug --server 127.0.0.1
[debug] Ocsinventory unified agent for UNIX, Linux and MacOSX 1.1.2
[debug] Log system initialised (Stderr)
[debug] --scan-homedirs missing. Don't scan user directories
[debug] the --server passed doesn't have a protocol, assume http as default
[debug] Accountinfo file: /var/lib/ocsinventory-agent/http:__127.0.0.1_ocsinventory/ocsinv.adm
[debug] A TAG seems to already exist in the server for this machine. The -t paramter may be ignored by the server unless it has OCS_OPT_ACCEPT_TAG_UPDATE_FROM_CLIENT=1.
[debug] Account info updated successfully
[debug] Turns CompatibilityLayer on for /etc/ocsinventory/modules.conf
[debug] OCS Agent initialised
[debug] Calling handlers : `start_handler'
[debug] Compress::Zlib is available.
[debug] sending XML
[debug] Calling handlers : `prolog_writers'
[debug] sending: <?xml version="1.0" encoding="UTF-8"?>
<REQUEST>
  <CONTENT>
    <ACCOUNTINFO>
      <KEYNAME>TAG</KEYNAME>
      <KEYVALUE>test</KEYVALUE>
    </ACCOUNTINFO>
  </CONTENT>
  <DEVICEID>ubuntu-2011-04-21-00-09-34</DEVICEID>
  <QUERY>PROLOG</QUERY>
</REQUEST>
[error] Cannot establish communication : 500 Internal Server Error

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: ocsinventory-agent 2:1.1.1-2
ProcVersionSignature: Ubuntu 2.6.32-31.61-generic 2.6.32.32+drm33.14
Uname: Linux 2.6.32-31-generic i686
Architecture: i386
Date: Fri Apr 29 03:50:46 2011
InstallationMedia: Ubuntu 10.04.2 LTS "Lucid Lynx" - Release i386 (20110211.1)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: ocsinventory-agent