This is an admin task and can be done if your provide your email address and course name to SelfStudySupport@pega.com.

Can I remove the created application from my exercise system??

Yes you can. Go to Designer Studio>System>Tool>Refactor Rules>Delete a Class.

Then delete the class you added.

Bill Rathert

I need to delete application directly . Please explain me the procedure to do it.

This will remove the application. It is contained in the class; SAE-HRServices-Work-Candidate

Now I am facing an error while opening the exercise system showing -failed to open portal

my exercise URL -

https://paex19-ap.pegacloud.com/prweb/PRServlet/beEBp4uRVTogorRwSwWqbKQhhojtVn9i8O_jf-sz7PTYQaaSS_hXpzVFB0L2PGzn*/!STANDARD

username-Leadarchitect

password-password