ABC Signup Error

An unexpected system error occurred and has been logged for review by the ABC Signup support staff. Please verify your link is correct, try your action again and contact ABC Signup for technical assistance if the problem persists.

The error occurred in reg_event_page_aspx
URL: reg.abcsignup.com/reg/event_page.aspx?ek=0003-0011-90344C2F61564C66A647E05C734B32FC
Error message: The network path was not found 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)