Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /home/creantis/840suite.creantis.dev/840suite01/vendor/symfony/flex/src/Flex.php:61 Stack trace: #0 {main} thrown in /home/creantis/840suite.creantis.dev/840suite01/vendor/symfony/flex/src/Flex.php on line 61