Fatal error: Uncaught Error: Class 'Laminas\ServiceManager\AbstractPluginManager' not found in /home/uralbox/public_html/vendor/laminas/laminas-mail/src/Protocol/SmtpPluginManager.php:21
Stack trace:
#0 {main}
thrown in /home/uralbox/public_html/vendor/laminas/laminas-mail/src/Protocol/SmtpPluginManager.php on line 21