Try importing these rules instead:
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^.*$ - [NC,L]
RewriteRule ^.*$ index.php [NC,L]
URL Rewrite Module does not support -s and -l flags.
The only difference between this rule set and the original one is that with this ruleset requests for empty files and symbolic links will be rewritten to index.php. If your application does not have any of those then it is safe to use this rule instead of original one.