Fatal error: Uncaught Error: Interface 'Composer\Plugin\PluginInterface' not found in C:\Apache24\htdocs\fixedasset\vendor\symfony\runtime\Internal\ComposerPlugin.php:29 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\fixedasset\vendor\symfony\runtime\Internal\ComposerPlugin.php on line 29