Known Issues: Turnitin Instructions Character Limit
Some instructors have noted an issue when creating a Turnitin assignment, where the character limit exceeds 1,000. The instructor may see an error message as below:
Workaround: Reduce the instructions character limit to 1,000 and resubmit. The Turnitin assignment can then be successfully created.
See https://help.turnitin.com/known-issues.htm for a full list of known issues