Attempt to read property "comments" on null

System Information

PHP Version:
8.1.5

WoltLab Suite Core:
5.5.0 RC 1

Peak Memory Usage:
9.485/512 MiB

Request URI:
GET /

Referrer:
User Agent:

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.61 Safari/537.36
Error

Error Type:
wcf\system\exception\ErrorException

Error Message:
Attempt to read property "comments" on null

File:
*/lib/system/WCF.class.php (341)

Template Context:

    <?php } ?>
<?php } ?>
                        </div>
                    <?php } ?>
====>                     <?php if ($this->v['article']->getDiscussionProvider()->getDiscussionCountPhrase()) { ?>
                        <div class="contentItemMetaIcon">
                            <span class="icon icon16 fa-comments"></span>
                            <span aria-label="<?=wcf\util\StringUtil::encodeHTML($this->v['article']->getDiscussionProvider()->getDiscussionCountPhrase());?>">
                                <?=wcf\util\StringUtil::encodeHTML($this->v['article']->getDiscussionProvider()->getDiscussionCount());?>
                            </span>
                        </div>
Stack Trace:

#0 */lib/system/template/TemplateEngine.class.php(626) : eval()'d code (5):
wcf\system\WCF::handleError()
#1 */lib/system/template/TemplateEngine.class.php (626):
eval()
#2 */lib/data/language/Language.class.php (169):
wcf\system\template\TemplateEngine->fetchString()
#3 */lib/system/article/discussion/CommentArticleDiscussionProvider.class.php (35):
wcf\data\language\Language->getDynamicVariable()
#4 */templates/compiled/64_wcf_1_articleList.php (2680):
wcf\system\article\discussion\CommentArticleDiscussionProvider->getDiscussionCountPhrase()
#5 */lib/system/template/TemplateEngine.class.php (346):
include('*/templates/compiled/64_wcf_1_articleList.php')
#6 */lib/page/AbstractPage.class.php (390):
wcf\system\template\TemplateEngine->display()
#7 */lib/page/AbstractPage.class.php (135):
wcf\page\AbstractPage->show()
#8 */lib/system/request/Request.class.php (90):
wcf\page\AbstractPage->__run()
#9 */lib/system/request/RequestHandler.class.php (107):
wcf\system\request\Request->execute()
#10 */index.php (11):
wcf\system\request\RequestHandler->handle()