First, check that your account is set up correctly and has the right roles in the Mosaic Portal:
Go to the Mosaic Portal.
Go to User Administration.
Find your name in the list.
Check that your account and account roles have been set up correctly.
Check if the form is set to active in the administration section.
Go to Administration.
Click the pencil icon to edit the form.
Select Version Control.
Make sure the form is set to Active.