This usually means you've tried to access an area that you aren't allowed to see, e.g., you've clicked School Site and belong to a school that doesn't have a school-specific area. Try one of the other links. If you think you should see the area you've selected, ask your school for assistance and if necessary they can contact ICT School Services.
If your question is about locating content on the Extranet please contact the Children and Adults Services Communications team. The content of the education portal is the responsibility of the Education Development Service. If you can't log in, click here to find out who can unlock or reset your account. If you see an error message after logging on, contact ICT School Services.
Most options are now shown in the Your Roles panel on the right hand side of the Extranet homepage. You will only see options that you, personally, are allowed to use. Your headteacher controls this access using the Access Control option under Your Roles.