diff --git a/Build/phpstan/Core12/phpstan-baseline.neon b/Build/phpstan/Core12/phpstan-baseline.neon
index 9a0f88c0..5a3e531b 100644
--- a/Build/phpstan/Core12/phpstan-baseline.neon
+++ b/Build/phpstan/Core12/phpstan-baseline.neon
@@ -145,11 +145,6 @@ parameters:
 			count: 1
 			path: ../../../Classes/Service/DeeplGlossaryService.php
 
-		-
-			message: "#^PHPDoc tag @throws with type Doctrine\\\\DBAL\\\\DBALException\\|Doctrine\\\\DBAL\\\\Driver\\\\Exception\\|Doctrine\\\\DBAL\\\\Exception\\|TYPO3\\\\CMS\\\\Core\\\\Exception\\\\SiteNotFoundException is not subtype of Throwable$#"
-			count: 1
-			path: ../../../Classes/Service/DeeplGlossaryService.php
-
 		-
 			message: "#^Offset 'pid' does not exist on array\\|null\\.$#"
 			count: 1
diff --git a/Classes/Controller/GlossarySyncController.php b/Classes/Controller/GlossarySyncController.php
index f007f0ce..4918feee 100644
--- a/Classes/Controller/GlossarySyncController.php
+++ b/Classes/Controller/GlossarySyncController.php
@@ -5,12 +5,14 @@
 namespace WebVision\WvDeepltranslate\Controller;
 
 use Psr\Http\Message\ServerRequestInterface;
+use TYPO3\CMS\Backend\Utility\BackendUtility;
+use TYPO3\CMS\Core\Domain\Repository\PageRepository;
 use TYPO3\CMS\Core\Exception;
 use TYPO3\CMS\Core\Http\RedirectResponse;
 use TYPO3\CMS\Core\Messaging\FlashMessage;
 use TYPO3\CMS\Core\Messaging\FlashMessageService;
-use TYPO3\CMS\Core\Utility\GeneralUtility;
 use TYPO3\CMS\Extbase\Utility\LocalizationUtility;
+use WebVision\WvDeepltranslate\Exception\GlossaryCanNotCreatedException;
 use WebVision\WvDeepltranslate\Exception\InvalidArgumentException;
 use WebVision\WvDeepltranslate\Service\DeeplGlossaryService;
 
@@ -18,10 +20,14 @@ class GlossarySyncController
 {
     protected DeeplGlossaryService $deeplGlossaryService;
 
+    private FlashMessageService $flashMessageService;
+
     public function __construct(
-        DeeplGlossaryService $deeplGlossaryService
+        DeeplGlossaryService $deeplGlossaryService,
+        FlashMessageService $flashMessageService
     ) {
         $this->deeplGlossaryService = $deeplGlossaryService;
+        $this->flashMessageService = $flashMessageService;
     }
 
     /**
@@ -33,36 +39,49 @@ public function update(ServerRequestInterface $request): RedirectResponse
         $processingParameters = $request->getQueryParams();
 
         if (!isset($processingParameters['uid'])) {
-            throw new InvalidArgumentException(
-                'No ID given for glossary synchronization',
-                1676935668643
-            );
+            $this->flashMessageService
+                ->getMessageQueueByIdentifier()
+                ->enqueue((new FlashMessage(
+                    'No ID given for glossary synchronization',
+                    '',
+                    2,
+                    true
+                )));
+            return new RedirectResponse($processingParameters['returnUrl']);
         }
 
-        $this->deeplGlossaryService->syncGlossaries((int)$processingParameters['uid']);
-
-        if ((new \TYPO3\CMS\Core\Information\Typo3Version())->getMajorVersion() >= 12) {
-            $severity = \TYPO3\CMS\Core\Type\ContextualFeedbackSeverity::OK;
-        } else {
-            $severity = \TYPO3\CMS\Core\Messaging\AbstractMessage::OK;
+        // Check page configuration of glossary type
+        /** @var array{uid: int, doktype: string|int, module: string} $pages */
+        $pages = BackendUtility::getRecord('pages', (int)$processingParameters['uid']);
+        if ((int)$pages['doktype'] !== PageRepository::DOKTYPE_SYSFOLDER && $pages['module'] !== 'glossary') {
+            $this->flashMessageService->getMessageQueueByIdentifier()->enqueue(new FlashMessage(
+                sprintf('Page "%d" not configured for glossary synchronization.', $pages['uid']),
+                (string)LocalizationUtility::translate(
+                    'glossary.sync.title.invalid',
+                    'wv_deepltranslate'
+                ),
+                2,
+                true
+            ));
+            return new RedirectResponse($processingParameters['returnUrl']);
         }
-        $flashMessage = GeneralUtility::makeInstance(
-            FlashMessage::class,
-            (string)LocalizationUtility::translate(
-                'glossary.sync.message',
-                'wv_deepltranslate'
-            ),
-            (string)LocalizationUtility::translate(
-                'glossary.sync.title',
-                'wv_deepltranslate'
-            ),
-            $severity,
-            true
-        );
 
-        GeneralUtility::makeInstance(FlashMessageService::class)
-            ->getMessageQueueByIdentifier()
-            ->enqueue($flashMessage);
+        try {
+            $this->deeplGlossaryService->syncGlossaries((int)$processingParameters['uid']);
+            $this->flashMessageService->getMessageQueueByIdentifier()->enqueue(new FlashMessage(
+                (string)LocalizationUtility::translate('glossary.sync.message', 'wv_deepltranslate'),
+                (string)LocalizationUtility::translate('glossary.sync.title', 'wv_deepltranslate'),
+                0, // OK
+                true
+            ));
+        } catch (GlossaryCanNotCreatedException $exception) {
+            $this->flashMessageService->getMessageQueueByIdentifier()->enqueue(new FlashMessage(
+                (string)LocalizationUtility::translate('glossary.sync.message.invalid', 'wv_deepltranslate'),
+                (string)LocalizationUtility::translate('glossary.sync.title.invalid', 'wv_deepltranslate'),
+                2, // Error
+                true
+            ));
+        }
 
         return new RedirectResponse($processingParameters['returnUrl']);
     }
diff --git a/Classes/Exception/GlossaryCanNotCreatedException.php b/Classes/Exception/GlossaryCanNotCreatedException.php
new file mode 100644
index 00000000..dc3c65f4
--- /dev/null
+++ b/Classes/Exception/GlossaryCanNotCreatedException.php
@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+namespace WebVision\WvDeepltranslate\Exception;
+
+class GlossaryCanNotCreatedException extends \Exception
+{
+
+}
diff --git a/Classes/Service/DeeplGlossaryService.php b/Classes/Service/DeeplGlossaryService.php
index e346749d..a2f5933c 100644
--- a/Classes/Service/DeeplGlossaryService.php
+++ b/Classes/Service/DeeplGlossaryService.php
@@ -8,12 +8,12 @@
 use DeepL\GlossaryEntries;
 use DeepL\GlossaryInfo;
 use DeepL\GlossaryLanguagePair;
-use Doctrine\DBAL\DBALException;
 use Doctrine\DBAL\Driver\Exception;
 use TYPO3\CMS\Core\Cache\Frontend\FrontendInterface;
 use TYPO3\CMS\Core\Exception\SiteNotFoundException;
 use WebVision\WvDeepltranslate\ClientInterface;
 use WebVision\WvDeepltranslate\Domain\Repository\GlossaryRepository;
+use WebVision\WvDeepltranslate\Exception\GlossaryCanNotCreatedException;
 use WebVision\WvDeepltranslate\Exception\GlossaryEntriesNotExistException;
 
 final class DeeplGlossaryService
@@ -125,13 +125,17 @@ public function getPossibleGlossaryLanguageConfig(): array
     /**
      * @throws Exception
      * @throws SiteNotFoundException
-     * @throws DBALException
      * @throws \Doctrine\DBAL\Exception
      */
     public function syncGlossaries(int $uid): void
     {
-        $glossaries = $this->glossaryRepository
-            ->getGlossaryInformationForSync($uid);
+        $glossaries = $this->glossaryRepository->getGlossaryInformationForSync($uid);
+        if (empty($glossaries)) {
+            throw new GlossaryCanNotCreatedException(
+                'Glossary can not created, the TYPO3 information are invalide.',
+                1714987594661
+            );
+        }
 
         foreach ($glossaries as $glossaryInformation) {
             if ($glossaryInformation['glossary_id'] !== '') {
diff --git a/Resources/Private/Language/locallang.xlf b/Resources/Private/Language/locallang.xlf
index 76627e33..903ea2f1 100644
--- a/Resources/Private/Language/locallang.xlf
+++ b/Resources/Private/Language/locallang.xlf
@@ -115,17 +115,23 @@
 				<source>Create new Glossary translation</source>
 			</trans-unit>
 
+			<trans-unit id="glossary.sync.title">
+				<source>DeepL sync ready</source>
+			</trans-unit>
 			<trans-unit id="glossary.sync.message">
 				<source>Synchronization with DeepL is done. Your glossaries are ready to use.</source>
 			</trans-unit>
-			<trans-unit id="glossary.sync.title">
-				<source>DeepL Sync ready</source>
+			<trans-unit id="glossary.sync.title.invalid">
+				<source>DeepL glossary sync invalid</source>
 			</trans-unit>
-			<trans-unit id="glossary.not-sync.message">
-				<source>Glossary synchronization with DeepL is pending. Your glossaries are not operational.</source>
+			<trans-unit id="glossary.sync.message.invalid">
+				<source>Glossary synchronization with DeepL error. Your glossaries has no entries or is invalid.</source>
 			</trans-unit>
 			<trans-unit id="glossary.not-sync.title">
-				<source>DeepL Glossary is out of Sync</source>
+				<source>DeepL glossary is out of sync</source>
+			</trans-unit>
+			<trans-unit id="glossary.not-sync.message">
+				<source>Glossary synchronization with DeepL is pending. Your glossaries are not operational.</source>
 			</trans-unit>
 
 			<trans-unit id="glossaryentry">