Warning: require(/var/lib/roundcube/vendor/composer/../guzzlehttp/promises/src/functions_include.php): Failed to open stream: No such file or directory in /var/lib/roundcube/vendor/composer/autoload_real.php on line 45

Fatal error: Uncaught Error: Failed opening required '/var/lib/roundcube/vendor/composer/../guzzlehttp/promises/src/functions_include.php' (include_path='/var/lib/roundcube/vendor/pear/auth_sasl:/var/lib/roundcube/vendor/pear/console_commandline:/var/lib/roundcube/vendor/pear/console_getopt:/var/lib/roundcube/vendor/pear/crypt_gpg:/var/lib/roundcube/vendor/pear/mail_mime:/var/lib/roundcube/vendor/pear/net_ldap2:/var/lib/roundcube/vendor/pear/net_smtp:/var/lib/roundcube/vendor/pear/net_socket:/var/lib/roundcube/vendor/pear/pear-core-minimal/src:/var/lib/roundcube/vendor/pear/pear_exception:/var/lib/roundcube/program/lib:.:/usr/share/php') in /var/lib/roundcube/vendor/composer/autoload_real.php:45 Stack trace: #0 /var/lib/roundcube/vendor/composer/autoload_real.php(49): {closure}() #1 /var/lib/roundcube/vendor/autoload.php(25): ComposerAutoloaderInit5da537f3fc523dc692a083c219621f01::getLoader() #2 /var/lib/roundcube/program/include/iniset.php(67): require('...') #3 /var/lib/roundcube/public_html/index.php(40): require_once('...') #4 {main} thrown in /var/lib/roundcube/vendor/composer/autoload_real.php on line 45

Fatal error: Uncaught Error: Class "rcube_utils" not found in /var/lib/roundcube/program/include/iniset.php:133 Stack trace: #0 /var/lib/roundcube/program/include/iniset.php(122): rcmail_fatal_error() #1 [internal function]: rcmail_error_handler() #2 {main} thrown in /var/lib/roundcube/program/include/iniset.php on line 133