Fatal error: Uncaught Exception: Class PHP_CodeSniffer_Tokenizers_PHP not found in C:\wamp\www\mercadopago\vendor\squizlabs\php_codesniffer\CodeSniffer\Tokenizers\CSS.php:16 Stack trace: #0 {main} thrown in C:\wamp\www\mercadopago\vendor\squizlabs\php_codesniffer\CodeSniffer\Tokenizers\CSS.php on line 16