Noam Nisan is Professor at the Institute of Computer Science and Engineering, Hebrew University of Jerusalem.
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Our access codes do not contain lowercase "l's" (leopard) or the number "1"; in these cases, please use a capital "I" (Iowa).
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If none of these examples represent you, please submit a ticket with a picture of your access code and we will further investigate the matter.
The most common problem we see pertains to the following message: Street Address does not match (N). Postal Code does not match (N).
This indicates that information on file with an issuing credit card company does not match what is entered. We typically see this occur with individuals who have moved recently or individuals using a school address instead of a home address.
Our advice is to contact your financial institution and verify the correct billing information. You may want to ask about any failed transactions and inquire as to the status of those funds.
Please submit a ticket if you think that this is not the issue.
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