Fatal error: Uncaught Error: Interface 'Psr\Container\ContainerInterface' not found in /www/wwwroot/wczhuti/wp-content/plugins/wp-rss-aggregator/vendor/rebelcode/wp-plugin-sdk/src/Di/PluginContainer.php:14 Stack trace: #0 {main} thrown in /www/wwwroot/wczhuti/wp-content/plugins/wp-rss-aggregator/vendor/rebelcode/wp-plugin-sdk/src/Di/PluginContainer.php on line 14