Fatal error: Uncaught Error: Call to undefined function Lw\Contentory\Services\PageStore\is_countable() in /var/www/lw/production/resources/C48/Repositories/c4.8-core/Contentory/Vendor/Lw/Contentory/Services/PageStore/Collection.php:80 Stack trace: #0 /var/www/lw/production/resources/C48/Repositories/c4.8-core/Contentory/Vendor/Lw/Contentory/Services/PageStore/Collection.php(215): Lw\Contentory\Services\PageStore\Collection->count() #1 /var/www/lw/production/resources/C48/Repositories/c4.8-core/Contentory/Vendor/Lw/Contentory/Services/PageStore/DataObjects/Page.php(308): Lw\Contentory\Services\PageStore\Collection->hasValues() #2 /var/www/lw/production/resources/C48/Repositories/c4.8-core/Contentory/Vendor/Lw/Contentory/Services/PageStore/Collection.php(673): Lw\Contentory\Services\PageStore\DataObjects\Page->hasChildren() #3 /var/www/lw/production/resources/C48/Repositories/c4.8-core/Contentory/Vendor/Lw/Contentory/Services/PageStore/PageStore.php(227): Lw\Contentory\Services\PageStore\Collection->sortCollectionRecursive in /var/www/lw/production/resources/C48/Repositories/c4.8-core/Contentory/Vendor/Lw/Contentory/Services/PageStore/Collection.php on line 80