What should I do if I encounter a Turnitin Error message: Failed to submit paper with error: Turnitin API error: code 404 / upload token null?

If you encounter an Error message as per below, apologies, please contact the Library for support, as this is most likely a fault with the assignment set up, rather than your submission.

Error message from a Turnitin assignment: "Failed to submit paper with error: Turnitin API error: [code 404] - {"error":"Upload token (null) not found or invalid"}

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