Download the ETL solution file from here.
Open Visual Studio Data Tools.
Menu → File → Open Project/Solution.
Open the file Load Data Mart.sln
Note: Ignore the security warning.
In Solution Explorer, double click on the package. Your screen should look like this.
For security reasons, you have to change the Connection Parameters.
In Solution Explorer, Connection Manager, edit the DATAMART connection parameter.
In Solution Explorer, Connection Manager, edit the DATASTORE connection parameter.
Because the authentication was redefined, you need to set the status of the connections from offline to online.
Your screen should look like this.
Save your project and close Visual Studio.