Vitaliy

Check if your PHP version is 7.3 or higher

That's strange, the error message says that [array_key_last()](https://www.php.net/manual/en/function.array-key-last.php) function is missing from your distribution. According to the function description, it was introduced in PHP 7.3. Note that OJS 3.2.1 will...

Try to clear the data and template cache and let me know if problem persists

Just to clarify, you enabled this theme site-wide and using it to display the site index page, right? I haven't implemented this feature and recommend on the site level to...

Something like: ```php $sectionDAO = DAORegistry->getDao('SectionDAO') $section = $section->getById($publishedArticle->getData('sectionId'))'; $localizedSectionTitle = $section->getLocalizedTitle(); ```

This is PHP code. In Smarty templates the syntax is different, you'll need to adapt it if you want to use it there

You can assign section title dynamically as a property to submission objects, e.g.: ```php $sectionDAO = DAORegistry::getDAO('SectionDAO'); $publishedArticles = []; foreach (iterator_to_array($publishedArticleObjects) as $publishedArticle) { $section = $section->getById($publishedArticle->getData('sectionId')); $publishedArticle->localizedSectionTitle =...

@ainulrafiq, sorry for the late reply. Yes, plugins or theme may require additional tweaks. I see that the plugin uses `Templates::Article::Main` hook, and the theme implements, thus the problem is...

Thanks! I'll check it

You are using a windows system? Take a look at this thread: https://github.com/pkp/pkp-lib/issues/4600