This was posted just a little while ago to their FB page:

Dear all,

We have received a lot of feedback on the new website. We are very sorry to hear that the update caused so much trouble, we never intended to make it more complicated. We take all feedback and complaints very seriously and work hard to resolve the problems. We will keep you updated on the developments and fixes.

Update:
- No results have been deleted, your history is still available once you have upgraded your account
- You can login to your upgraded account with your email address (your old account credentials do not work anymore)
- Your new password must be at least 6 characters in length and contain a lower-case letter, an upper-case letter and a number
- I framing of results has been fixed
- Missing functionalities – like an overview of all practice locations and check results of others - will come back

Please fill out our online survey and leave your comments and suggestions: https://www.surveymonkey.com/s/YQLHS7B