What can I do if my miss my SAT testing date?

I was at the testing location 100 minutes in advance, but I was not allowed in for reasons that which were misconceptions
or not present in it’s entirety at the time of my registration.

I now don’t have any idea what to do at this point, I’ve never taken the SAT, and I must say it’s been bothering me all day. Currently a senior, I don’t have much time at all… Is there anyway that I can reschedule a testing date as soon as possible? Makeup test? Anything? Refund? I came to only have my time wasted? If so, what are the provisions?

See https://sat.collegeboard.org/register/registration-changes → Absent on test day

I don’t think you are eligible for a refund or the Sunday (tomorrow) testing date, but you can still register for the June 2015 test. Make sure you bring a photo ID with you to the test.