WHAT DOES THIS MEAN AND HOW DO I GET PAST IT TO DO MY SCHOOL WORK?

Question

Server Error in '/' Application.
Runtime Error
Description: An application error occurred on the server. The current custom error settings for this application prevent the details of the application error from being viewed remotely (for security reasons). It could, however, be viewed by browsers running on the local server machine.
Details: To enable the details of this specific error message to be viewable on remote machines, please create a <customErrors> tag within a "web.config" configuration file located in the root directory of the current web application. This <customErrors> tag should then have its "mode" attribute set to "Off".
<!-- Web.Config Configuration File -->  <configuration> <system.web> <customErrors mode="Off"/> </system.web> </configuration>
Notes: The current error page you are seeing can be replaced by a custom error page by modifying the "defaultRedirect" attribute of the application's <customErrors> configuration tag to point to a custom error page URL.
<!-- Web.Config Configuration File -->  <configuration> <system.web> <customErrors mode="RemoteOnly" defaultRedirect="mycustompage.htm"/> </system.web> </configuration>

Answer 1

What website is this?
Note this line- An application error occurred on the server.
In a nutshell, you're out of luck until the service that runs the webapp is restarted.
Call the support line for this website and let them know the site is inaccessible.