Fatal error: Uncaught Error: Class 'Zend\Loader\PluginClassLoader' not found in /home/app/htdocs/lidia/vendor/zendframework/zend-http/src/HeaderLoader.php:15 Stack trace: #0 {main} thrown in /home/app/htdocs/lidia/vendor/zendframework/zend-http/src/HeaderLoader.php on line 15