[BUGFIX] Fix implementation

Classes/Hook/PageLayoutViewHook.php

 <?php
 
-namespace TYPO3\Languagevisibility\Hook;
-
 /***************************************************************
  *  Copyright notice
  *
@@ -25,19 +23,18 @@ namespace TYPO3\Languagevisibility\Hook;
  *  This copyright notice MUST APPEAR in all copies of the script!
  ***************************************************************/
 
+namespace TYPO3\Languagevisibility\Hook;
+
 use Doctrine\DBAL\DBALException;
 use Doctrine\DBAL\Driver\Exception;
 use TYPO3\CMS\Core\Database\ConnectionPool;
-use TYPO3\CMS\Core\Database\Query\QueryBuilder;
 use TYPO3\CMS\Core\Exception\SiteNotFoundException;
 use TYPO3\CMS\Core\Imaging\Icon;
 use TYPO3\CMS\Core\Imaging\IconFactory;
 use TYPO3\CMS\Core\Page\PageRenderer;
 use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
 use TYPO3\CMS\Core\Site\SiteFinder;
-use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
-use TYPO3\CMS\Core\Utility\StringUtility;
 use TYPO3\CMS\Extbase\Utility\LocalizationUtility;
 use TYPO3\Languagevisibility\Element\Element;
 use TYPO3\Languagevisibility\Element\ElementFactory;
@@ -99,7 +96,7 @@ class PageLayoutViewHook {
 
 		try {
 			$isElementVisible = $this->frontendServices::checkVisiblityForElement($row, $tableName, $sysLanguageUid);
-		} catch (\Doctrine\DBAL\Driver\Exception|\Exception $e) {
+		} catch (Exception|\Exception $e) {
 			$isElementVisible = FALSE;
 		}
 
@@ -129,7 +126,7 @@ class PageLayoutViewHook {
 				if ($isElementVisible && $isL10nParentHidden) {
 					$isElementVisible = FALSE;
 				}
-			} catch (DBALException|Exception) {
+			} catch (DBALException|Exception $e) {
 			}
 		}
 
@@ -213,7 +210,7 @@ class PageLayoutViewHook {
 		try {
 			// This element is an original element (no overlay)
 			$originalElement = $elementfactory->getElementForTable($table, $row);
-		} catch (TableNotSupportedException) {
+		} catch (TableNotSupportedException $e) {
 			return '<div class="alert alert-danger">' .
 				$this->getLLL('backend.error.elementNotSupported') . '</div>';
 		}
@@ -311,7 +308,7 @@ class PageLayoutViewHook {
 					$uid,
 					$languageId
 				);
-			} catch (DBALException|Exception) {
+			} catch (DBALException|Exception $e) {
 				$visbilityFlag = NULL;
 			}
 

Configuration/Services.php

 <?php
 
-declare(strict_types=1);
-use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
-use TYPO3\Languagevisibility\Element\ContentElement;
-use TYPO3\Languagevisibility\Element\Element;
-use TYPO3\Languagevisibility\Element\RecordElement;
-use TYPO3\Languagevisibility\Xclass\Gridelements\Gridelements;
-
 /***************************************************************
  *  Copyright notice
  *
@@ -30,7 +23,15 @@ use TYPO3\Languagevisibility\Xclass\Gridelements\Gridelements;
  *  This copyright notice MUST APPEAR in all copies of the script!
  ***************************************************************/
 
+use TYPO3\Languagevisibility\Hook\PageLayoutController;
+use TYPO3\Languagevisibility\Service\FrontendServices;
 use TYPO3\Languagevisibility\Xclass\Mask\InlineHelper;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+use TYPO3\Languagevisibility\Element\ContentElement;
+use TYPO3\Languagevisibility\Element\Element;
+use TYPO3\Languagevisibility\Element\RecordElement;
+use TYPO3\Languagevisibility\Xclass\Gridelements\Gridelements;
+use TYPO3\Languagevisibility\Hook\PageLayoutViewHook;
 
 // Define the required dependencies excl. gridelements/mask if not installed
 return static function (ContainerConfigurator $containerConfigurator): void {
@@ -50,11 +51,11 @@ return static function (ContainerConfigurator $containerConfigurator): void {
 	$services->set(RecordElement::class)->autowire(FALSE)->autoconfigure(FALSE);
 
 	$services->get(PageLayoutViewHook::class)->public()->args(
-		[new Reference(FrontendServices::class)]
+		[new Symfony\Component\DependencyInjection\Reference(FrontendServices::class)]
 	);
 
 	$services->get(PageLayoutController::class)->public()->args(
-		[new Reference(FrontendServices::class)]
+		[new Symfony\Component\DependencyInjection\Reference(FrontendServices::class)]
 	);
 
 	// removed ExtensionManagementUtility::isLoaded() calls, because these fail randomly,