iCal feed when closed comments

Hello

I used another plugin to close comments coapability on my website ; in that context, the calendar iCal feeds are generating an error (403). Any easy correction to that behavior?

<error>

<code>wp_die</code>

<title>

<![CDATA[ WordPress ? Erreur ]]>

</title>

<message>

<![CDATA[ Les commentaires sont fermés. ]]>

</message>

<data>

<status>403</status>

</data>

</error>