немогу оплатить платную подписку, выдает ошибку

Server Error in '/' Application.
A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Data.SqlClient.SqlException: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)

Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.


Stack Trace:

[SqlException (0x80131904): A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)]
System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) +690
System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) +89
System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) +6296606
System.Data.SqlClient.SqlConnection.Open() +300
Robo.Util.Sql.GetConnection(String sResourceBase) +484
Robox.Mail.Client.Serializer._Save(String sXml) +243
Robox.Web.Merchant.Global._SendNotification(String sError) in W:\Robox\Robox.2008\Robox.Web\Robox.Web.Merchant\Global.asax.cs:109
Robox.Web.Merchant.Global.Application_Error(Object sender, EventArgs e) in W:\Robox\Robox.2008\Robox.Web\Robox.Web.Merchant\Global.asax.cs:38
System.Web.HttpApplication.RaiseOnError() +215


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1