trouble with RewriteRule directive is forbidden

I get this error
> Options FollowSymLinks or SymLinksIfOwnerMatch is off which implies that RewriteRule directive is forbidden:

I have added following lines to /etc/apache2/sites-available/mydomain.com

 <virtualhost *:80="">....
 <directory srv="" www="" mydomain.com="" public_html="">AllowOverride All
      Options +ExecCGI -MultiViews +FollowSymLinks
      Order allow,deny
      Allow from all</directory></virtualhost> 

now I get regarding htaccess - Invalid command ' ???