.htaccess error

ricevo un errore 500 poco chiaro

ho la mia applicazione sotto la directory php5 e il mio .htaccess è questo:

Codice:

---

# # av:php5-engine
AddHandler av-php56 .php


<FilesMatch "(nginx|htaccess).dist">
        order allow,deny
        deny from all
</FilesMatch>

# Don't allow listing directories
Options -Indexes

# Follow symbolic links
Options +FollowSymLinks

# Default handler
DirectoryIndex index.php


############################
# BROWSER CACHING

# Make sure .ico has proper MIME type, allowing mod_expires to handle them.
<IfModule mod_mime.c>
    AddType image/vnd.microsoft.icon .ico
</IfModule>

# The expires module controls the Expires and Cache-Control headers.
# these for dynamically generated files so this is just for static files.
<IfModule mod_expires.c>
        ExpiresActive On
        ExpiresDefault "access plus 1 year"
</IfModule>

# Conditional requests are controlled through Last-Modified and ETag headers.
# site sets these on dynamically generated cacheable files so this is just for
# static files. Note: Apache sends Last-Modified by default on static files so
# I don't think we need to be sending ETag for these files.
<FilesMatch "\.(jpg|jpeg|gif|png|mp3|flv|mov|avi|3pg|html|htm|swf|js|css|ico)$">
        FileETag MTime Size
</FilesMatch>


############################
# PHP SETTINGS
<IfModule mod_php5.c>
        # limit the maximum memory consumed by the php script to 64 MB
        php_value memory_limit 64M
        # register_globals is deprecated as of PHP 5.3.0 - disable it for security reasons.
        php_value register_globals 0
        # post_max_size is the maximum size of ALL the data that is POST'ed to php at a time (8 MB)
        php_value post_max_size 8388608
        # upload_max_filesize is the maximum size of a single uploaded file (5 MB)
        php_value upload_max_filesize 5242880
        # on development servers, set to 1 to display errors. Set to 0 on production servers.
        php_value display_errors 1
</IfModule>


############################
# COMPRESSION

# Turn on mod_gzip if available
<IfModule mod_gzip.c>
        mod_gzip_on yes
        mod_gzip_dechunk yes
        mod_gzip_keep_workfiles No
        mod_gzip_minimum_file_size 1000
        mod_gzip_maximum_file_size 1000000
        mod_gzip_maximum_inmem_size 1000000
        mod_gzip_item_include mime ^text/.*
        mod_gzip_item_include mime ^application/javascript$
        mod_gzip_item_include mime ^application/x-javascript$
        # Exclude old browsers and images since IE has trouble with this
        mod_gzip_item_exclude reqheader "User-Agent: .*Mozilla/4\..*\["
        mod_gzip_item_exclude mime ^image/.*
</IfModule>

## Apache2 deflate support if available
##
## Important note: mod_headers is required for correct functioning across proxies.
##
<IfModule mod_deflate.c>
        AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript application/x-javascript image/svg+xml
        BrowserMatch ^Mozilla/4 gzip-only-text/html
        BrowserMatch ^Mozilla/4\.[0678] no-gzip
        BrowserMatch \bMSIE !no-gzip

<IfModule mod_headers.c>
        Header append Vary User-Agent env=!dont-vary
</IfModule>

        # The following is to disable compression for actions. The reason being is that these
        # may offer direct downloads which (since the initial request comes in as text/html and headers
        # get changed in the script) get double compressed and become unusable when downloaded by IE.
        SetEnvIfNoCase Request_URI action\/* no-gzip dont-vary
        SetEnvIfNoCase Request_URI actions\/* no-gzip dont-vary

</IfModule>


############################
# REWRITE RULES

<IfModule mod_rewrite.c>

RewriteEngine on

# If site is in a subdirectory on your site, you might need to add a RewriteBase line
# containing the path from your site root to site's root. e.g. If your site is
# http://example.com/ and site is in http://example.com/sites/site/, you might need
#
RewriteBase /php5/
#
# here, only without the # in front.
#
# If you're not running site in a subdirectory on your site, but still getting lots
# of 404 errors beyond the front page, you could instead try:
#
#RewriteBase /



#
# If you must add RewriteRules to change hostname, add them directly below (above all the others)

# hide all dot files/dirs (.git)
RewriteRule (^\.|/\.) - [F]

# Everything else that isn't a file gets routed through site
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d


</IfModule>

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potete dirmi se qualche direttiva va in conflitto con la configurazione di altervista?

Grazie