Can't locate XML/Parser.pm

*CLI>     -- Registered SIP '1235' at 192.168.178.20 port 1750 expires 3600
    -- Saved useragent "X-Lite release 1011s stamp 41150" for peer 1235
[Oct 11 13:02:36] NOTICE[2636]: chan_sip.c:14714 handle_request_subscribe: Recei                                                            ved SIP subscribe for peer without mailbox: 1235
    -- Executing [4291@sipgate:1] Answer("SIP/1235-081d24b8", "") in new stack
    -- Executing [4291@sipgate:2] AGI("SIP/1235-081d24b8", "hastenix.pl|http://hastenix.hawhaw.de/aaw/sprachausgabe.vxml") in new stack
    -- Launched AGI Script /var/lib/asterisk/agi-bin/hastenix.pl
Can't locate XML/Parser.pm in @INC (@INC contains: /etc/perl /usr/local/lib/perl/5.8.8 /usr/local/share/perl/5.8.8 /usr/lib/perl5 /usr/share/perl5 /usr/lib/perl/5.8 /usr/share/perl/5.8 /usr/local/lib/site_perl .) at /var/lib/asterisk/agi-bin/hastenix.pl line 31.
BEGIN failed--compilation aborted at /var/lib/asterisk/agi-bin/hastenix.pl line 31.
    -- AGI Script hastenix.pl completed, returning 0
    -- Executing [4291@sipgate:3] Hangup("SIP/1235-081d24b8", "") in new stack
  == Spawn extension (sipgate, 4291, 3) exited non-zero on 'SIP/1235-081d24b8'
[Oct 11 13:03:36] NOTICE[2636]: chan_sip.c:14714 handle_request_subscribe: Received SIP subscribe for peer without mailbox: 1235
    -- parse_srv: SRV mapped to host sipgate.de, port 5060
Beginning asterisk shutdown....
Executing last minute cleanups
  == Destroying musiconhold processes
Asterisk cleanly ending (0).

- Executing [4291@sipgate:1] Answer("SIP/1235-081d0d28", "") in new stack
    -- Executing [4291@sipgate:2] AGI("SIP/1235-081d0d28", "hastenix.pl|http://hastenix.hawhaw.de/aaw/sprachausgabe.vxml") in new stack
    -- Launched AGI Script /var/lib/asterisk/agi-bin/hastenix.pl
    -- AGI Script Executing Application: (Answer) Options: ((null))
sh: line 1: /home/asterisk/download/festival/bin/text2wave: Datei oder Verzeichnis nicht gefunden
sh: line 1: /home/asterisk/download/festival/bin/text2wave: Datei oder Verzeichnis nicht gefunden
    -- AGI Script Executing Application: (Background) Options: (/var/lib/asterisk/sounds/hastenix_cache/1c013b62a30c83221d2de3922c70696f/0)
[Oct 11 13:47:03] WARNING[2671]: file.c:563 ast_openstream_full: File /var/lib/asterisk/sounds/hastenix_cache/1c013b62a30c83221d2de3922c70696f/0 does not
[Oct 11 13:47:03] WARNING[2671]: file.c:866 ast_streamfile: Unable to open /var/lib/asterisk/sounds/hastenix_cache/1c013b62a30c83221d2de3922c70696f/0 (fosuch file or directory
[Oct 11 13:47:03] WARNING[2671]: pbx.c:5678 pbx_builtin_background: ast_streamfile failed on SIP/1235-081d0d28 for /var/lib/asterisk/sounds/hastenix_cachde3922c70696f/0
    -- AGI Script Executing Application: (Background) Options: (/var/lib/asterisk/sounds/hastenix_cache/1c013b62a30c83221d2de3922c70696f/1)
[Oct 11 13:47:03] WARNING[2671]: file.c:563 ast_openstream_full: File /var/lib/asterisk/sounds/hastenix_cache/1c013b62a30c83221d2de3922c70696f/1 does not
[Oct 11 13:47:03] WARNING[2671]: file.c:866 ast_streamfile: Unable to open /var/lib/asterisk/sounds/hastenix_cache/1c013b62a30c83221d2de3922c70696f/1 (fosuch file or directory
[Oct 11 13:47:03] WARNING[2671]: pbx.c:5678 pbx_builtin_background: ast_streamfile failed on SIP/1235-081d0d28 for /var/lib/asterisk/sounds/hastenix_cachde3922c70696f/1
    -- AGI Script hastenix.pl completed, returning 0
    -- Executing [4291@sipgate:3] Hangup("SIP/1235-081d0d28", "") in new stack
  == Spawn extension (sipgate, 4291, 3) exited non-zero on 'SIP/1235-081d0d28'