I got a quick reply which is encouraging. Even if it is a copy and paste job.
" Due to this maintenance, any point rewards will appear in your account with 3-5 business days if you completed and qualified for the study. Please note, during this time your account will show that you have 0 points. Please be assured that once the site is live the accurate number of points will be reflected on your account.
We appreciate your panel membership and participation. Please check back in a few days to see a new and refreshed experience!
If you inquiring about a specific order, please reply to this email with the order number and we will take a look at the issue as soon as possible.
We apologize for the inconvenience and thank you for your understanding. "