Avoid null-pointer exception

public/typo3conf/ext/ep_theme/Classes/ViewHelpers/Uri/ProductViewHelper.php

@@ -92,9 +92,16 @@ class ProductViewHelper extends AbstractViewHelper
         } else {
             /** @var ContentObjectRenderer $contentObject */
             $contentObject = GeneralUtility::makeInstance(ContentObjectRenderer::class);
+            if (is_array($product)) {
+                $param = $product['detailPage'];
+            } elseif (null !== $product) {
+                $param = $product->getUid();
+            } else {
+                $param = null;
+            }
             $uri = $contentObject->typoLink_URL(
                 [
-                    'parameter' => is_array($product) ? $product['detailPage'] : $product->getUid(),
+                    'parameter' => $param,
                 ]
             );
         }

public/typo3conf/ext/ep_theme/Resources/Private/Templates/News/News/Detail.html

@@ -43,6 +43,7 @@
                         <f:format.nl2br>{newsItem.teaser}</f:format.nl2br>
                     </p>
                 </f:if>
+                <div data-rte-content>
                     <n:renderMedia news="{newsItem}" imgClass="block w-full h-auto mb-4" videoClass="video-wrapper" audioClass="audio-wrapper">
                         <f:render partial="Detail/MediaContainer" arguments="{media: newsItem.media, settings:settings, id: newsItem.uid}" />
                         <f:format.html>{newsItem.bodytext}</f:format.html>
@@ -52,6 +53,7 @@
                             </div>
                         </f:if>
                     </n:renderMedia>
+                </div>
                 <f:if condition="{newsItem.relatedFiles}">
                     <h3 class="headline headline--underlined">
                         Dateien