Fatal error: Uncaught Error: Class 'PHP_CodeSniffer_Exception' not found in /var/www/html/lib/php-saml/tests/ZendModStandard/Sniffs/NamingConventions/ValidVariableNameSniff.php:17 Stack trace: #0 {main} thrown in /var/www/html/lib/php-saml/tests/ZendModStandard/Sniffs/NamingConventions/ValidVariableNameSniff.php on line 17