It is one database template file. Something in this make it crash with php8
<div class='ipsPageHeader ipsBox ipsPadding ipsResponsive_pull ipsClearfix ipsSpacer_bottom'>
<div class='ipsFlex ipsFlex-ai:center ipsFlex-jc:between sm:ipsFlex-fd:column sm:ipsFlex-ai:stretch ipsGap:4'>
<div class='ipsFlex-flex:11'>
<h1 class='ipsType_pageTitle'>{$database->_title}</h1>
{{if $database->_description}}
<div class='ipsPageHeader_info ipsType_light'>
{$database->_description}
</div>
{{endif}}
</div>
<div class='ipsFlex-flex:00'>
{{if $database->use_categories}}
<a href="{$url->setQueryString('show', 'categories')}" class="ipsButton ipsButton_small ipsButton_fullWidth ipsButton_light"><i class="fa fa-folder-open"></i> {lang="cms_show_categories"}</a>
{{else}}
{{$catClass = 'IPS\cms\Categories' . $database->id; $category = $catClass::load( $database->default_category );}}
{template="follow" app="core" group="global" params="'cms','categories' . $database->id, $category->_id, \IPS\cms\Records::containerFollowerCount( $category )"}
{{endif}}
</div>
</div>
</div>
{{if $database->can('add') or \IPS\Member::loggedIn()->member_id}}
<ul class="ipsToolList ipsToolList_horizontal ipsClearfix ipsSpacer_both ipsResponsive_hidePhone">
{{if $database->can('add')}}
<li class='ipsToolList_primaryAction'>
<a class="ipsButton ipsButton_medium ipsButton_important ipsButton_fullWidth" {{if $database->use_categories}}data-ipsDialog="1" data-ipsDialog-size="narrow" data-ipsDialog-title="{lang="cms_select_category"}"{{endif}} href="{$url->setQueryString( array( 'do' => 'form', 'd' => \IPS\cms\Databases\Dispatcher::i()->databaseId ) )}">{lang="cms_add_new_record_button" sprintf="$database->recordWord( 1 )"}</a>
</li>
{{endif}}
</ul>
{{endif}}
<section class='ipsType_normal ipsSpacer_both'>
{{if \count($articles)}}
{{foreach $articles as $id => $record}}
{template="entry" app="cms" location="database" group="category_articles" params="$record, $database"}
{{endforeach}}
{{endif}}
</section>
{{if $database->featured_settings['pagination'] and ( $pagination['pages'] > 1 )}}
{template="pagination" app="core" location="global" group="global" params="$url, $pagination['pages'], $pagination['page'], $database->featured_settings['perpage'], TRUE, 'page'"}
{{endif}}