Twig\Error\RuntimeError

Line 15 of /var/www/vhosts/flandres.tv/httpdocs/site/templates/home.twig

Variable "youtube_id" does not exist.

				<div class="min-h-32">
					{% set lastVideo = site.find("videos").grandchildren().sortBy('date', 'desc').paginate(1).first() %}
					{# {{dump(lastVideo)}} #}
					{% if 'facebook' in lastVideo.video_url.toString %}
						<div id="mainvideo" class="fb-video h-64" data-href="{{lastVideo.video_url}}" data-show-text="false" data-width=""></div>
					{% else %}
						<iframe width="100%" height="500" src="https://www.youtube.com/embed/{{youtube_id}}" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
					{% endif %}
				</div>
			</div>
			<div class="col-span-3">
				<div class="bg-brand-light py-8 h-full text-center p-5 flex items-center justify-center flex-col">
					<h3 class="leading-tight m-0">{{site.join_us_facebook_title}}</h3>