You may find that you have created an assignment or Turnitin assignment which students don’t seem to be able to access, or upload against.
This may be because the section containing the assignment is hidden from students.
You can learn more about hiding and un-hiding sections using the module menu in Blackboard here.
Another possibility for students not being able to upload against an assignment may be because they have already uploaded a submission.
To make sure that an assignment allows students to re-submit, you should set the “Number of Attempts” to multiple attempts.
You should also make sure that the assignment settings under “Submission Details” is set to “individual”.
You can learn more about changing assignment settings in Blackboard here and changing Turnitin assignment settings in Blackboard here.
If the problem persists, please submit a ticket detailing your problem at: https://servicedesk.cit.ie