I didn't know the website was not processing redemption requests until yesterday, and I'm not sure why it is failing yet. We did do server maintenance a few weeks ago and verified things were working at that time.
Dev team is on the case, but I won't have an ETA on the fix until we know what is happening.
I'll update here when there's news on the site being back to full functionality.
So you personally tested it a couple weeks ago and it worked?