Fatal error: Uncaught Error: Interface "PHPParser_Serializer" not found in /home/escolicc/public_html/vendor/nikic/php-parser/lib/PHPParser/Serializer/XML.php:3 Stack trace: #0 {main} thrown in /home/escolicc/public_html/vendor/nikic/php-parser/lib/PHPParser/Serializer/XML.php on line 3