Site settings could not be loaded

We were unable to locate the API to request site settings. Please see below for debugging information.

HTTP Response Status Code: 500

The API says: wiki 'default' has failed to initialize or did not start up properly: Initialization exception: MySql.Data.MySqlClient.MySqlException: Unable to connect to any of the specified MySQL hosts. ---> System.Exception: Exception of type System.Exception was thrown. at MySql.Data.MySqlClient.NativeDriver.Open () [0x00000] --- End of inner exception stack trace --- at MySql.Data.MySqlClient.NativeDriver.Open () [0x00000] at MySql.Data.MySqlClient.Driver.Create (MySql.Data.MySqlClient.MySqlConnectionStringBuilder settings) [0x00000] at MySql.Data.MySqlClient.MySqlPool..ctor (MySql.Data.MySqlClient.MySqlConnectionStringBuilder settings) [0x00000] at MySql.Data.MySqlClient.MySqlPoolManager.GetPool (MySql.Data.MySqlClient.MySqlConnectionStringBuilder settings) [0x00000] at MySql.Data.MySqlClient.MySqlConnection.Open (Boolean allowPooled) [0x00000]