Message:
Database could not be opened! Check your web.config file or your database.

Actual Error Message:
Database Connection (OLEDB) Exception. Request for the permission of type 'System.Data.OleDb.OleDbPermission, System.Data, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed.

File:
/shop/Default.aspx

Version Info:
Version Number: 9.031
ASP.NET Runtime: 4.0.30319.42000 [Stack]