Problème boucle et CRLF

templates/main/event.ics.twig

@@ -6,7 +6,8 @@ BEGIN:VEVENT
 UID:{{ period.getStartOn|date('Ymd\\THis') }}Z-{{ event.id}}@orgasso.net
 DTSTART:{{ period.getStartOn|date('Ymd\\THis') }}Z
 DTEND:{{ period.getEndOn|date('Ymd\\THis') }}Z
-SUMMARY:{{ event.name }}{% set description_lines = [] %}{% for party in event.getParties %}{% set line = party.getGame.getName ~ '\nHoraire : le ' ~ party.getStartOn|date('d/m') ~ ' de ' ~ party.getStartOn|date('H:i') ~ ' à ' ~ party.getEndOn|date('H:i') ~ '\n' ~ party.getGame.getDescription %}{% set description_lines = description_lines|merge([line]) %}{% endfor %}{% set description = (event.description ~ '\n' ~ description_lines|join('\n'))|replace({',':'\,',';':'\;','\\':'\\\\'}) %}
+SUMMARY:{{ event.name }}
+{% set description_lines = [] %}{% for party in event.getParties %}{% set line = party.getGame.getName ~ '\nHoraire : le ' ~ party.getStartOn|date('d/m') ~ ' de ' ~ party.getStartOn|date('H:i') ~ ' à ' ~ party.getEndOn|date('H:i') ~ '\n' ~ party.getGame.getDescription %}{% set description_lines = description_lines|merge([line]) %}{% endfor %}{% set description = (event.description ~ '\n' ~ description_lines|join('\n'))|replace({',':'\,',';':'\;','\\':'\\\\'}) %}
 DESCRIPTION:{{ description }}
 URL:{{ url('app_main_booking', {id: event.id}) }}
 END:VEVENT