Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/symfony/flex/src/Flex.php:53 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/myhospitalnow/suitecrm/vendor/symfony/flex/src/Flex.php on line 53