I received an email notification saying that my proof is invalid or incomplete. What should I do? June 30, 2021 10:43 Updated If our team is unable to verify your educational status due to invalid or incomplete proof-of-status, you can resubmit documents to firstname.lastname@example.org. Related articles How can I get in touch with the educational team at Chaos? I am a student. How do I prove my eligibility? What is considered valid evidence of current employment?