Cannot connect to MySQL server

Please make sure of the following:
  • The MySQL credentials in the config.php file are correct.
  • Your MySQL server is installed and is up and running properly.
  • If you have recently updated the MySQL credentials in the config.php file, moved your store to another server, or updated the password of your hosting control panel (some control panels update the MySQL password automatically if you change the main password), make sure the MySQL credentials specified in your store's config.php file match the MySQL credentials provided by your hosting.
200 OK

OK

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at [no address given] to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.