diff --git a/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php b/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php
index be19c903..36317548 100644
--- a/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php
+++ b/public/typo3conf/ext/ep_products/Classes/Service/ContingentImportService.php
@@ -143,6 +143,9 @@ class ContingentImportService implements SingletonInterface, LoggerAwareInterfac
     public function loadXmlFile($file): ?\SimpleXMLElement
     {
         libxml_use_internal_errors (true);
+        if (!file_exists($file)) {
+            return null;
+        }
         /** @var \SimpleXMLElement $xmlData */
         if (!$xmlData = simplexml_load_string(file_get_contents($file))) {
             libxml_clear_errors();
@@ -210,7 +213,9 @@ class ContingentImportService implements SingletonInterface, LoggerAwareInterfac
         if ($xmlContingent->idbuspro_kontingent_aus) {
             $linkedProductId = (int)$xmlContingent->idbuspro_kontingent_aus;
             $path = GeneralUtility::getFileAbsFileName(self::XML_PATH);
-            $xmlContingent = $this->loadXmlFile(sprintf('%s/HotelZimmer_%d.xml', $path, $linkedProductId));
+            if (null === $xmlContingent = $this->loadXmlFile(sprintf('%s/HotelZimmer_%d.xml', $path, $linkedProductId))) {
+                return 0;
+            }
         }
 
         if (empty($xmlContingent->kapazitaeten)) {