Fatal error: Uncaught Error: Interface 'Composer\Plugin\PluginInterface' not found in C:\xampp\htdocs\wasteman\scssphp\vendor\bamarni\composer-bin-plugin\src\BamarniBinPlugin.php:34 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wasteman\scssphp\vendor\bamarni\composer-bin-plugin\src\BamarniBinPlugin.php on line 34