Warning: mysqli::mysqli(): (08004/1040): Too many connections in /var/www/html-php5.6/opencart/system/database/mysqli.php on line 6

Fatal error: Uncaught exception 'ErrorException' with message 'Error: Could not make a database link (1040) Too many connections' in /var/www/html-php5.6/opencart/system/database/mysqli.php:9 Stack trace: #0 /var/www/html-php5.6/opencart/system/library/db.php(13): DBMySQLi->__construct('localhost', 'cms_opencart', 'WD27v*u=98bV2iG', 'cms_opencart') #1 /var/www/html-php5.6/opencart/index.php(40): DB->__construct('mysqli', 'localhost', 'cms_opencart', 'WD27v*u=98bV2iG', 'cms_opencart') #2 {main} thrown in /var/www/html-php5.6/opencart/system/database/mysqli.php on line 9