See the Common Error Codes section.
The functionality of question/assignment deletion has been disabled to prevent students from accidentally deleting their assignment skeletons on Seashell, or accidentally deleting their work.
1.2.3 I am trying to submit to Marmoset through Seashell, but the Marmoset projects are not in the list. Why?
The Marmoset tests have not been posted yet. Please wait for your instructors to post the tests.
Seashell automatically submits all the files pertaining to the question as a .zip file.
The console is used for input and output, it is not equivalent to a DrRacket interactions window. You cannot evaluate expressions in the console.
1.2.6 An instructor has reported that a Seashell skeleton has been released, but it’s not appearing in my list of Seashell Assignments. What’s going on?
The skeleton needs a few seconds to copy itself into Seashell. If your list does not update automatically, refresh your browser (Ctrl-F5 on Windows, Command-R on Mac).
There are a few troubleshooting tips for when this occurs:
Check your router is set up to accept websocket connections. There are online websockets compatibility tests that can verify this for you. A quick Google search will yield several results.