Hola, tengo lo siguiente en mi .htaccess
Código Apache:
Ver originalErrorDocument 404 http://anuncios.eu5.es/content/404.php
<IfModule mod_rewrite.c>
RewriteEngine on
RewriteBase http://anuncios.eu5.es/
RewriteRule ^([0-9]+)$ index.php?page=$1 [L]
RewriteRule ^install/$ install/ [L]
RewriteRule ^admin/$ admin/index.php [L]
RewriteRule ^rss/$ content/feed-rss.php [L]
RewriteRule ^manage/$ content/item-manage.php [L]
RewriteRule ^publicar-un-nuevo-anuncio.htm content/item-new.php [L]
RewriteRule ^contacto.htm content/contact.php [L]
RewriteRule ^condiciones.htm content/terms.php [L]
RewriteRule ^poltica-de-privacidad.htm content/privacy.php [L]
RewriteRule ^mapa-del-sitio.htm content/site-map.php [L]
RewriteRule ^bsqueda-avanzada.htm content/search.php [L]
RewriteRule ^mapa.htm content/map.php [L]
RewriteRule ^abrir-una-cuenta-nueva.htm content/account/register.php [L]
RewriteRule ^conectar.htm content/account/login.php [L]
RewriteRule ^desconectarse.htm content/account/logout.php [L]
RewriteRule ^olvid-mi-contrasea.htm content/account/recoverpassword.php [L]
RewriteRule ^configuracin.htm content/account/settings.php [L]
RewriteRule ^mi-cuenta/$ content/account/index.php [L]
RewriteRule ^oferta/(.+)/(.+)/$ index.php?category=$1&type=0&location=$2 [L]
RewriteRule ^oferta/(.+)$ index.php?category=$1&type=0 [L]
RewriteRule ^demanda/(.+)/(.+)/$ index.php?category=$1&type=1&location=$2 [L]
RewriteRule ^demanda/(.+)$ index.php?category=$1&type=1 [L]
RewriteRule ^anuncios/(.+)/$ index.php?location=$1 [L]
RewriteRule ^(.+)/(.+)/(.+)/$ index.php?category=$2&location=$3 [L]
RewriteRule ^(.+)/(.+)/$ index.php?category=$2 [L]
RewriteRule ^categora/(.+) $1/ [R=301,L]
RewriteRule ^(.+)/$ index.php?category=$1 [L]
RewriteRule ^(.+)/(.+)/([0-9]+)$ index.php?category=$2&page=$3 [L]
RewriteRule ^(.+)/([0-9]+)$ index.php?category=$1&page=$2 [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.+)/(.+)/(.+)/(.+)$ /$3/$4-$1.htm [R=301,L]
RewriteRule ^(.+)/(.+)/(.+)-([0-9]+).htm$ item.php?category=$2&item=$4 [L]
RewriteRule ^(.+)/(.+)-([0-9]+).htm$ item.php?category=$1&item=$3 [L]
</IfModule>
El servidor, al entrar me manda un error. ¿Que falla en este código?