Restoring Accidentally Deleted Submission Boxes
Submission Boxes that have been accidentally deleted can be found in the "Trash" section of the Admin Console.

Steps
Step 1 Log in to the Admin Console.
Step 2 Select "Subjects".
Step 3 Choose the relevant class and then Task.

Step 4 Click on the folder with the subject name.
Step 5 Click on the Trash tab.
Step 6 Check the box for the submission box you want to restore and select Restore.
Step 7 A confirmation screen will appear; select Confirm.



Reference