Email erreur de paiement

ShopBundle/Twig/FrontendTwigExtension.php

                         new TwigFunction('get_form_newsletter', [$this, 'getFormNewsletter']),
                         new TwigFunction('get_merchants', [$this, 'getMerchants']),
                         new TwigFunction('get_file_manager_folder', [$this, 'getFileManagerFolder']),
-                        new TwigFilter('lc_format_price', [$this, 'formatPrice']),
+                        new TwigFunction('lc_format_price', [$this, 'formatPrice']),
                 );
         }