Error when updating php version of server to 7.3 and 7.4

Hi,

I have updated the php version of the server to 7.3 and 7.4, all have the following error. Is there any solution to help me?

Stack trace:
#0 /home/monngon7.com/public_html/wp-content/plugins/restropress/includes/class-rpress-session.php(414): session_start()
#1 /home/monngon7.com/public_html/wp-includes/class-wp-hook.php(287): RPRESS_Session->maybe_start_session(”)
#2 /home/monngon7.com/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#3 /home/monngon7.com/public_html/wp-includes/plugin.php(478): WP_Hook->do_action(Array)
#4 /home/monngon7.com/public_html/wp-settings.php(540): do_action(‘init’)
#5 /home/monngon7.com/public_html/wp-config.php(78): require_once(‘/home/monngon7….’)
#6 /home/monngon7.com/public_html/wp-load.php(37): require_once(‘/home/monngon7….’)
#7 /home/monngon7.com/public_html/wp-admin/admin-ajax.php(22): require_once(‘/home/monngon7….’)
# in /home/monngon7.com/public_html/wp-content/plugins/restropress/includes/class-rpress-session.php on line 414
[02-May-2020 06:09:50 UTC] PHP Fatal error: Uncaught Error: Failed to create session ID: memcached (path: tcp://127.0.0.1:11211?persistent=1&weight=1&timeout=1&retry_interval=15) in /home/monngon7.com/public_html/wp-content/plugins/restropress/includes/class-rpress-session.php:414

Thanks,