Fatal error: Uncaught Error: Class 'WP_Session' not found in /var/www/rocket/wp-content/plugins/creare-utm-contact-push/creare-utm-contact-push.php:24
Stack trace:
#0 /var/www/rocket/wp-includes/class-wp-hook.php(307): set_utm_sessions(Object(WP))
#1 /var/www/rocket/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#2 /var/www/rocket/wp-includes/plugin.php(524): WP_Hook->do_action(Array)
#3 /var/www/rocket/wp-includes/class-wp.php(787): do_action_ref_array('wp', Array)
#4 /var/www/rocket/wp-includes/functions.php(1330): WP->main('')
#5 /var/www/rocket/wp-blog-header.php(16): wp()
#6 /var/www/rocket/index.php(17): require('/var/www/rocket...')
#7 {main}
thrown in /var/www/rocket/wp-content/plugins/creare-utm-contact-push/creare-utm-contact-push.php on line 24