Błąd Problem po wgraniu Google Seo

wersja skryptu MyBB: 1.8.7
adres forum: http://polscy-youtuberzy.pl
na czym polega problem (screen, opis, komunikaty, nazwa stylu/theme/szablonu): Flatty
Wgrałem Google Seo wg tego poradnika: https://www.youtube.com/watch?v=GCMZnf2_jDs i mam taki oto błąd

   

Wydaję mi się, że coś zawaliłem w .htaccess oto one:

Options -MultiViews +FollowSymlinks -Indexes

#
# If mod_security is enabled, attempt to disable it.
# - Note, this will work on the majority of hosts but on
#   MediaTemple, it is known to cause random Internal Server
#   errors. For MediaTemple, please remove the block below
#
<IfModule mod_security.c>
    # Turn off mod_security filtering.
    SecFilterEngine Off

    # The below probably isn't needed, but better safe than sorry.
    SecFilterScanPOST Off
</IfModule>

#
# MyBB "search engine friendly" URL rewrites
# - Note, for these to work with MyBB please make sure you have
#   the setting enabled in the Admin CP and you have this file
#   named .htaccess
#

RewriteEngine on

# Some hosts require RewriteBase to make RewriteRules work.
RewriteBase /

# Google SEO workaround for search.php highlights:
# Make this rule the first rewrite rule in your .htaccess!
RewriteRule ^([^&]*)&(.*)$ http://polscy-youtuberzy.pl/$1?$2 [L,QSA,R=301]

# Google SEO 404:
ErrorDocument 404 /misc.php?google_seo_error=404

# Google SEO Sitemap:
RewriteRule ^sitemap\-([^./]+)\.xml$ misc.php?google_seo_sitemap=$1 [L,QSA,NC]

# Google SEO URL Forums:
RewriteRule ^Forum\-([^./]+)$ forumdisplay.php?google_seo_forum=$1 [L,QSA,NC]

# Google SEO URL Threads:
RewriteRule ^Wątek\-([^./]+)$ showthread.php?google_seo_thread=$1 [L,QSA,NC]

# Google SEO URL Announcements:
RewriteRule ^Ogłoszenie\-([^./]+)$ announcements.php?google_seo_announcement=$1 [L,QSA,NC]

# Google SEO URL Users:
RewriteRule ^Użytkownik\-([^./]+)$ member.php?action=profile&google_seo_user=$1 [L,QSA,NC]

# Google SEO URL Calendars:
RewriteRule ^Kalendarz\-([^./]+)$ calendar.php?google_seo_calendar=$1 [L,QSA,NC]

# Google SEO URL Events:
RewriteRule ^Wydarzenie\-([^./]+)$ calendar.php?action=event&google_seo_event=$1 [L,QSA,NC]

#
# If Apache is compiled with built in mod_deflade/GZIP support
# then GZIP Javascript, CSS, HTML and XML so they're sent to
# the client faster.
#
<IfModule mod_deflate.c>
    AddOutputFilterByType DEFLATE application/javascript text/css text/html text/xml
</IfModule>

# Note: You are able to choose a different name in the Admin CP. If you've done that you need to change it here too
<Files "error.log">
    Order Deny,Allow
    Deny from all
</Files>

Kuzyna odeślij do podstawówki i zapomnij o jego radach.
W pluginie jest jasno napisane - wygenerowaną zawartość wkleić do pliku .htaccess

Fragment z dokumentacji - twojeforum.domena/inc/plugins/google_seo.html

SEO URLs do not work

If the SEO URLs do not appear (links are not changed), then you have either not enabled the URL settings properly, or you did not apply the necessary changes to core files. Check your Plugin Status.

If the SEO URLs appear but give you errors like thread not found, thread does not exist, etc., then your Rewrite Rules do not work for some reason. Check that you have edited the .htaccess (not htaccess.txt!) correctly. Some hosts need a RewriteBase, others do not. If you are using a custom SEO URL Scheme, make sure this scheme does not have any conflicts.

Ehh znowu ja pomieszałem. Dobra już nic nie piszę na kuzyna bo nie będę mu reputacji psuł a po prostu go źle zrozumiałem :d no cóż będę dalej próbował.

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