@@ -191,7 +191,10 @@ class SecureDownloadsJob

                 // Extract member identifier from filename using regex

                 if (!preg_match('/'.$Configurations->regexp.'/U',$objFile->filename,$fragments))

                 {

-                    $this->logger->log(LogLevel::WARNING, sprintf('File "%s" is missing a member fragment or has the wrong syntax.', $objFile->name), array('contao' => new ContaoContext(__METHOD__, 'ERROR')));

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

+                    {

+                        $this->logger->log(LogLevel::WARNING, sprintf('File "%s" is missing a member fragment or has the wrong syntax.', $objFile->name), array('contao' => new ContaoContext(__METHOD__, 'ERROR')));

+                    }

                     continue;

                 }