由于数据库错误，无法使用网站管理工具

This is my first project using ASP.net and I'm struggling to get my database connection working. Right now the database for my application data is working and I can use the website to do simple CRUD operations. However, when I try to add Authorizarion and Authentication via the Web Site Administration Tool I get the following exception: This is my first project using ASP.net and I'm