Update (8:00am, 11/23)
We believe this issue is resolved. Contact the Helpdesk if you continue to have issues.
We have been working with Moodle and Turnitin support. Assignments seem to be working again for the most part and students have been able to submit papers. Please contact firstname.lastname@example.org if you still have trouble. Thanks!
8:00am: Over the weekend, users began experiencing issues when using Turnitin. An error message is received when submitting, creating, editing and grading assignments. We have reported the issue to Turnitin and Moodle support. We will update this post as more details are available.