I am trying to make a new model using Entity Framework 6 and SQL Anywhere 17. I followed exactly these steps.
http://dcx.sap.com/index.html#sqla170/en/html/37fb9e8558e94547b66156b9298be16f.html
But when I go through Entity Data Model wizard, it disappears after the following screen.
I got same Issue and able to resolve by following these step.
Rebuild your project-
After this Entity Data Model wizard will not disappears.