Fatal error: Uncaught Error: Class 'Laminas\ServiceManager\AbstractPluginManager' not found in /home/mpolsk5/public_html/seocomo/craft/vendor/laminas/laminas-feed/src/Writer/ExtensionPluginManager.php:20
Stack trace:
#0 {main}
thrown in /home/mpolsk5/public_html/seocomo/craft/vendor/laminas/laminas-feed/src/Writer/ExtensionPluginManager.php on line 20