Hello everyone! I will explain what I am doing and what is happening...
1 - Firstly I open Microsfot Visual Studio
2 - Then File > New > Project
3 - I choose Windows Form Application (Put a name and ok, My Solution is there)
4 - In the Solution Explorer I go over my project, I click right button on it
5 - Add > New Item > Data > Service-based Database
6 - After putting a name the message error pops up....