@@ -207,7 +207,10 @@ class SecureDownloadsJob

                 // Continue if no member found

                 if ($objMember === null) {

-                    $this->logger->log(LogLevel::WARNING, sprintf('Could not find member for file "%s". (%s) [%s]', $objFile->name, implode(' AND ',$arrColumns),implode(', ',$arrValues)), array('contao' => new ContaoContext(__METHOD__, 'ERROR')));

+                    if (System::getContainer()->getParameter('kernel.debug'))

+                    {

+                        $this->logger->log(LogLevel::WARNING, sprintf('Could not find member for file "%s". (%s) [%s]', $objFile->name, implode(' AND ',$arrColumns),implode(', ',$arrValues)), array('contao' => new ContaoContext(__METHOD__, 'ERROR')));

+                    }

                     continue;

                 }