[BUGFIX] Division by zero in the overviewWithoutCategoriesAction

Classes/Controller/OverviewController.php

@@ -131,7 +131,7 @@ class OverviewController extends AbstractController {
 
 		/** @noinspection PhpUndefinedMethodInspection */
 		$newsCount = $this->newsRepository->countAll();
-		$numberOfPages = ceil($newsCount / $newsPerPage);
+		$numberOfPages = ($newsPerPage <= 0 ? 0 : ceil($newsCount / $newsPerPage));
 
 		if ($this->settings['onlyNewsWithinThisPageSection']) {
 			/** @noinspection PhpUndefinedMethodInspection */