w3tc error when wp-content hardened

i’m using sucuri to harden my wp, the problem is this one, when i harden wp-content by adding htaccess with this code inside, minify unable to rebuild

<FilesMatch "\.(?i:php)$">
  <IfModule !mod_authz_core.c>
    Order allow,deny
    Deny from all
  </IfModule>
  <IfModule mod_authz_core.c>
    Require all denied
  </IfModule>
</FilesMatch>

how to work around this. thanks

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