Thinker | Why do I see a blank page when I log in? | (Troubleshooting)
Microsoft Edge Browser shows blank page, white page or empty page
Reported Issue of a Blank Page when Logging Into the Herrmann Thinker Portal Using the Microsoft Edge Browser
We're sorry that you are experiencing this challenge. We have found that many who experience this issue are using the Edge Browser and their browser is out of date.
Our team is looking into the issue, to see what we can do about this issue, but a quick solution may be to update the Edge Browser.
If you use the three dots in the upper right corner and look for "About Edge" you should see an option to update.
Additionally, you can go to https://www.whatismybrowser.com/ to check if your browser is up to date as well as the option to update your browser there.