Fatal error: Uncaught mysqli_sql_exception: Too many connections in /var/www/html/cdi/wp-includes/wp-db.php:1656
Stack trace:
#0 /var/www/html/cdi/wp-includes/wp-db.php(1656): mysqli_real_connect(Object(mysqli), 'mysql-server-1....', 'cdiwp', Object(SensitiveParameterValue), NULL, NULL, NULL, 0)
#1 /var/www/html/cdi/wp-includes/wp-db.php(632): wpdb->db_connect()
#2 /var/www/html/cdi/wp-includes/load.php(545): wpdb->__construct('cdiwp', 'cdiwp', 'cdiwp', 'mysql-server-1....')
#3 /var/www/html/cdi/wp-settings.php(124): require_wp_db()
#4 /var/www/html/cdi/wp-config.php(103): require_once('/var/www/html/c...')
#5 /var/www/html/cdi/wp-load.php(37): require_once('/var/www/html/c...')
#6 /var/www/html/cdi/wp-blog-header.php(13): require_once('/var/www/html/c...')
#7 /var/www/html/cdi/index.php(17): require('/var/www/html/c...')
#8 {main}
thrown in /var/www/html/cdi/wp-includes/wp-db.php on line 1656