Fatal error: Uncaught Error: Interface "Composer\Plugin\PluginInterface" not found in /home/itwerx/public_html/vendor/oomphinc/composer-installers-extender/src/Plugin.php:12
Stack trace:
#0 {main}
thrown in /home/itwerx/public_html/vendor/oomphinc/composer-installers-extender/src/Plugin.php on line 12