I had an Administrator Certification exam scheduled for last friday, and due to login issues, i could not login. I already opened a case in trailhead support, but my case list is empty. In an response to that case, someone from Support gave a solution that's a voucher to retake the exam. At the time i could take note of that number, and now i cannot see the case, so i can't get that voucher.  I also sent an email trailheadacademy@mail.salesforce.com but didn't get any response. The chat support gets me the error "An unexpected error has occurred." and wont start. Even trying to open a new case, gets stuck in that captcha, and wont change anything if i click it.   Can you help?   

#Certifications, #Kryterion Issue